[1] Mem Reg Hosp, Pembroke Pines, FL USA
[2] Policlin, San Pietro, Italy
[3] Univ Fed Pernambuco, Recife, Brazil
[4] Osped Niguarda Ca Granda Milano, Dipartimento DEA EAS, Milan, Italy
[5] Calgiari Univ Hosp, Cagliari, Italy
[6] Natl & Kapodistrian Univ Athens, Athens, Greece
[7] Mem Healthcare, Miami, FL USA
[8] Univ Chicago, Med Ctr, Chicago, IL USA
[9] Imperial Coll, London, England