[1] IRCCS, Maugeri Fdn, Pavia, Italy
[2] Univ Pavia, Dept Mol Med, Pavia, Italy
[3] NYU, New York, NY USA
[4] Acad Med Ctr, Dept Cardiol, Amsterdam, Netherlands
[5] Princess Al Jawhara Al Brahim Ctr Excellence Res, Jeddah, Saudi Arabia
[6] Shiga Univ Med Sci, Otsu, Shiga 52021, Japan
[7] Kyungpook Natl Univ Hosp, Taegu, South Korea
[8] St Georges Univ London, London, England
[9] Childrens Natl Med Ctr, Washington, DC 20010 USA
[10] Acad Med Ctr, Amsterdam, Netherlands
[11] Leiden Univ, Med Ctr, Leiden, Netherlands
[12] Univ Barcelona, Barcelona, Spain
[13] Taipei Vet Gen Hosp, Taipei, Taiwan
[14] Oulu Univ, Cent Hosp, SF-90220 Oulu, Finland
[15] Vanderbilt Childrens Hosp, Nashville, TN USA
[16] Univ British Columbia, Sauder Family & Heart & Stroke Fdn, Vancouver, BC V5Z 1M9, Canada
[17] Hop Xavier Bichat, Paris, France
[18] Univ Rochester, Med Ctr, Rochester, NY 14642 USA
[19] Univ Pavia, Dept Mol Med, I-27100 Pavia, Italy
[20] Nippon Med Sch, Tokyo 113, Japan
[21] Johns Hopkins Univ, Baltimore, MD USA
[22] George Washington Univ, Med Ctr, Washington, DC 20037 USA