[1] Growchowski Hosp, Warsaw, Poland
[2] ICYCC Favaloro Fdn, Buenos Aires, DF, Argentina
[3] UMASS Med Sch, Worcester, MA USA
[4] Hosp Univ La Paz, Madrid, Spain
[5] Concord Hosp, Concord, CA USA
[6] Hoag Mem Hosp, Newport Beach, CA USA
[7] Univ Edinburgh, Edinburgh, Midlothian, Scotland