EP1663408-A2  See also references of WO 2005035068A2US8535064-B2  CVAC Systems What's New [online]. Dec. 1, 2002 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/20021201231932/cvacsystems.com/What's+New.htm.;  CVAC Systems What is CVAC? [online]. Dec. 1, 2002 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/20021201230242/cvacsystems.com/What+is+CVAC.htm.;  CVAC Systems Background/Development [online]. Dec. 1, 2002 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/20021201191441/cvacsystems.com/Background.htm.;  CVAC Systems Frequently Asked Questions [online]. Dec. 1, 2002 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/20021201230602/cvacsystems.com/CVAC+FAQ. htm.;  CVAC Systems Testimonials [online]. Feb. 14, 2003 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/20030214231411/cvacsystems.com/testimonials.htm.;  CVAC Systems Art [online]. Feb. 3, 2003 [retrieved on Jun. 28, 2007]. Retrieved from the Internet: URL: http://web.archive.org/web/2003020355847/cvacsystems.com/testimonials-art.htm.;  Linton, Carl; "Kiosk Rental Letter"; Letter; Approximately May 2002; San Diego, CA.;  "New & Exciting Adventure in Exercise!", CVAC Press Release; Approximately Oct. 2001; San Diego, CA.;  "CVAC Coupon"; Advertisement; Approximately Aug. 2002; San Diego, CA.;  "Intreducing CVAC", CVAC, Press Release; Approximately Jan. 2002; San Diego, CA.;  "Introducting the CVAC Process", CVAC Press Release: Approximately Nov. 2001; San Diego, CA.;  Elton, S., "CVAC: The Next Wave fin Altitude Training," http://www.trinewbies.com, cited on http://web.archive.org between Jun. 5, 2002 and Aug. 6, 2002.;  Reid, W., "Device Enhances Performances for Local Athletes," http://www.SignOnSanDiego.com, Aug. 25, 2002.;  PCT/US08/56999 Search Report dated Aug. 18, 2008.;  PCT/US07/03524 Search Report dated Sep. 8, 2008.;  Beidleman et al., "Substrate oxidation is altered in women during exercise upon acute altitude exposure," Medicine & Science in Sports & Exercise 34(3):430-437 (2002).;  Boyanov et al., "Testosterone supplementaion in men with type 2 diabetes, visceral obesity and partial androgen deficiency," The Aging Male, 6(1):1-7 (2003).;  Brubaker et al., "Adventure Travel and Type I Diabetes: The Complicating Effects of High Altitude," Diabetes Care 28(10):2563-2572 (2005).;  Hu et al., "Comparisons of serum testosterone and corticosterone between exercise training during normoxia and hypobaric hypoxia in rats," Eur. J. Applied Physiol. 78(5):417-421 (1998) (Abstract).;  Pavan et al., "Metabolic and Cardiovascular Parameters in Type I Diabetes at Extreme Altitude," Med. Sci. Sports Exerc. 36(8):1283-1289 (2004).;  PCT/US08/54923 Search Report dated Aug. 1, 2008.;  Rodriguez et al., "Erythropoietin acute reaction and haematological adaptations to short, intermittent hypobaric hypoxia," Eur. J. Appl. Physiol. 82:170-177 (2000).;  Schmidt et al., "Effects of Intermittent Exposure to High Altitude on Blood Volume and Erythropoietic Activity," High Altitude Medicine & Biology 3(3):167-176 (2002).;  Singh et al., "High Variability of Glycated Hemoglobin Concentrations in Patients with IDDM Followed Over 9 Years," Diabetes Care 20(3):306-308 (1997).;  Tin'Kov et al., Effects of intermittant hypobaric hypoxia on blood lipid concentrations in male coronary heart disease patients, High Altitude Medicine & Biology 3(3):277-282 (2002).;  First Office Action for Chinese Patent Application No. 200480025897.8 (English translation), issued on Mar. 6, 2009; 8 pages.;  Examiner's First Report for Australian Patent Application No. 2004280153, mailed on Jun. 5, 2009; 2 pages.;  Office Action for Japanese Patent Application No. 2006-526066 (English translation), mailed on Oct. 20, 2009; 3 pages.;  Supplementary European Search Report in European Patent Application No. 04756811.8, mailed on Mar. 12, 2010; 4 pages.;  International Search Report and Written Opinion for PCT/US04/21987, mailed on Mar. 29, 2007.;  Office Action for European Application No. 04756811.8, mailed on Jul. 7, 2010.;  Examiner's Second Report for Australian Patent Application No. 2004280153, mailed on Mar. 2, 2011.;  Examiner's Third Report for Australian Patent Application No. 2004280153, mailed on Mar. 7, 2011.;  Office Action for Korean Patent Application No. 10-2006-7004975, mailed on Mar. 18, 2011.;  Office Action for Indian Patent Application No. 1039/delnp/2006, mailed on Sep. 16, 2011.;  Serebrovskaya, T., "Intermittent Hypoxia Research in the Former Soviet Union and the Commonwealth of Independent States: History and Review of the Concept and Selected Applications,"High Altitude Medicine & Biology, vol. 3, No. 2, 2002, 17 pages.;  Hetzler, R. et al., "The Effect of Dynamic Intermittent Hypoxic Conditioning on Arterial Oxygen Saturation," Wilderness and Environmental Medicine, vol. 20, 2009, 7 pages.;  Herbst, K. et al., "Pilot Study: rapidly cycling hypobaric pressure improves pain after 5 days in adiposis dolorosa," Journal of Pain Research, vol. 3, 2010, 7 pages.;  Katayama, K. et al., "Intermittent Hypoxia Improves Endurance Performance and Submaximal Exercise Efficiency," High Altitude Medicine & Biology, vol. 4, No. 3, 2003, 14 pages.;  Makley, J. et al., "The Effect of Reduced Barometric Pressure on Fracture Healing in Rats," The Journal of Bone & Joint Surgery, vol. 49-A, No. 5, 1967, 13 pages.;  Office Action for Canadian Patent Application No. 2,542,664, mailed on Apr. 3, 2012.