[1] Univ Trieste, Dept Med Sci, Trieste, Italy
[2] Univ Clermont Auvergne, INRA, CRNH, CHU Clermont Ferrand, Clermont Ferrand, France
[3] Sapienza Univ, Rome, Italy
[4] Complejo Asistencial Univ Leon, Leon, Spain
[5] Univ North Carolina Chapel Hill, Chapel Hill, NC USA
[6] Hosp Gen Univ Gregorio Maranon, Madrid, Spain
[7] Univ Vita Salute, IRCCS Osped San Raffaele, Milan, Italy
[8] Univ Hosp Geneva, Geneva, Switzerland
[9] Tel Aviv Univ, Tel Aviv, Israel
[10] Catholic Univ Pelotas UCPEL, Pelotas, RS, Brazil
[11] Univ Freiburg, Fac Med, Freiburg, Germany
[12] Karolinska Univ Hosp, Stockholm, Sweden
[13] Sapienza Univ, Dept Expt Med, Ple Aldo Moro 5, I-00185 Rome, Italy