[1] Univ Fed Minas Gerais, Belo Horizonte, MG, Brazil
[2] Abbott Nutr Res & Dev, Columbus, OH USA
[3] Fujita Hlth Univ, Sch Med, Toyoake, Aichi, Japan
[4] Geneva Sch Med, Geneva, Switzerland
[5] Care Hosp, Hyderabad, Andhra Pradesh, India
[6] Univ Illinois, Urbana, IL 61801 USA
[7] Ege Univ Hosp, Izmir, Turkey
[8] Univ Roma La Sapienza, I-00185 Rome, Italy