[1] Royal Infirm, Dept Resp Med, 51 Little France Crescent, Edinburgh EH16 4SA, Midlothian, Scotland
[2] Univ Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, Midlothian, Scotland
[3] Loma Linda Univ, Sch Med, Loma Linda, CA 92350 USA
[4] SUNY Buffalo, Univ Buffalo, Buffalo, NY USA
[5] Massachusetts Gen Hosp, Boston, MA 02114 USA
[6] Harvard Med Sch, Boston, MA USA
[7] The EvidenceDoc, Pacific, MO USA
[8] Univ Massachusetts, Mem Med Ctr, Worcester, MA 01605 USA
[9] Webhannet Internal Med Associates York Hosp, Moody, ME USA
[10] Baylor Coll Med, Houston, TX 77030 USA
[11] Univ Paris, Paris, France
[12] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[13] Kings Coll London, Div Asthma Allergy & Lung Biol, Denmark Hill, London, England
[14] Univ Manchester, Dept Med Oncol, Manchester, Lancs, England
[15] Univ Florida, Coll Vet Med, Gainesville, FL USA
[16] Inst Univ Cardiol & Pneumol Quebec, Quebec Iucpq, PQ, Canada
[17] Mt Sinai Hosp, New York, NY 10029 USA
[18] Univ Leicester, Glenfield Hosp, Leicester, Leics, England
[19] Royal Childrens Hosp, Brisbane, Qld, Australia
[20] TMJ Assoc, Milwaukee, WI USA
[21] Univ Florida, Dept Physiol Sci, Gainesville, FL 32610 USA
[22] Univ Buffalo State Univ New York, Buffalo, NY USA
[23] Mayo Clin, Rochester, MN USA
[24] Univ Calgary, Calgary, AB, Canada
[25] Univ Calgary, Resp Med, Calgary, AB, Canada
[26] UMass Mem Med Ctr, Worcester, MA USA
[27] Hunter Med Res Inst, New Lambton Hts, NSW, Australia
[28] Loma Linda Univ, Loma Linda, CA 92350 USA
[29] Univ Aukland, Sch Med, Auckland, New Zealand
[30] Univ Alabama Birmingham, Dept Med, Div Pulm Allergy & Crit Care Med, Birmingham, AL 35294 USA
[31] Univ Oxford, Oxford, England
[32] Royal Infirm, Edinburgh, Midlothian, Scotland
[33] Northwestern Univ, Feinberg Sch Med, Chicago, IL 60611 USA
[34] Guangzhou Med Univ, Affiliated Hosp 1, Guangzhou, Guangdong, Peoples R China
[35] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[36] Creighton Univ, Sch Pharm & Hlth Profess, Omaha, NE 68178 USA
[37] Univ Melbourne, Melbourne, Vic, Australia
[38] Queens Univ Belfast, Belfast, Antrim, North Ireland
[39] Hong Kong Polytech Univ, Hong Kong, Peoples R China
[40] Hofstra Northwell Hlth, Manhasset, NY USA
[41] Univ Queensland, Sch Psychol, Brisbane, Qld, Australia
[42] Kaiser Permanente, Pasadena, CA USA
[43] Univ Med & Dent New Jersey Rutgers Univ, Newark, NJ USA
[44] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[45] Virginia Commonwealth Univ, Richmond, VA USA
[46] Univ Manchester, Manchester, Lancs, England
[47] Univ Alberta, Edmonton, AB, Canada
[48] Toronto Western Hosp, Toronto, ON, Canada
[49] John Hunter Hosp, New Lambton Hts, NSW, Australia
[50] Sichuan Univ, West China Hosp, Chengdu, Sichuan, Peoples R China