[1] LDS HOSP, SALT LAKE CITY, UT USA
[2] ST JOSEPHS HOSP, PARIS, FRANCE
[3] HOP PARIS, F-75221 PARIS, FRANCE
[4] UNIV PENN, PHILADELPHIA, PA 19104 USA
[5] UNIV TENNESSEE CTR HLTH SCI, MEMPHIS, TN 38163 USA
[6] UNIV MINNESOTA, MINNEAPOLIS, MN 55455 USA
[7] UNIV CALIF SAN FRANCISCO, SAN FRANCISCO, CA 94143 USA
[8] UNIV MANITOBA, Winnipeg R3T 2N2, MB, CANADA
[9] UNIV MILAN, I-20122 MILAN, ITALY
[10] HARVARD UNIV, CHILDRENS HOSP,SCH MED, BOSTON, MA 02115 USA
[11] VANDERBILT UNIV, MED CTR,SCH MED, NASHVILLE, TN 37232 USA
[12] UNIV TORONTO, Toronto M5S 1A1, ON, CANADA
[13] STATE UNIV LIEGE, B-4000 LIEGE, BELGIUM
[14] UNIV UTRECHT, UTRECHT, NETHERLANDS
[15] COCHIN PORT ROYAL UNIV HOSP PARIS, PARIS, FRANCE
[16] VIRGINIA COMMONWEALTH UNIV, MED COLL VIRGINIA, RICHMOND, VA 23298 USA
[17] UNIV LAUSANNE, CH-1000 LAUSANNE 17, SWITZERLAND
[18] Univ Washington, Seattle, WA USA
[19] St Louis Univ, St Louis, MO USA
[20] George Washington Univ, Washington, DC USA
[21] Yale Univ, New Haven, CT USA
[22] Univ Pittsburgh, Pittsburgh, PA USA
[23] Rush Med Coll, Chicago, IL 60612 USA
[24] NIH, NHLBI, Div Lung Dis, Bldg 10, Bethesda, MD 20892 USA
[25] New Jersey Med Sch, Newark, NJ USA
[26] Univ Colorado, Hlth Sci Ctr, Webb Waxing Inst Biomed Res, 4200 E 9th Ave, Denver, CO 80206 USA
[27] Hosp Clin Barcelona, Barcelona, SPAIN
[28] Evangelismos Hosp, Athens, GREECE