1. Hospital Samaritano Higienópolis—Américas Serviços Médicos, São Paulo 01232-010, Brazil
2. Hospital Israelita Albert Einstein, Faculdade Israelita de Ciências da Saúde Albert Einstein, São Paulo 05652-900, Brazil
3. Medical Investigation Laboratory 62, School of Medicine, University of São Paulo, São Paulo 01246-000, Brazil