1. Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, 2780-156 Oeiras, Portugal.
2. Intensive Care Unit, Instituto de Pesquisa Clínica Evandro Chagas, Fundação Oswaldo Cruz, 21040-900 Rio de Janeiro, Brazil.
3. D’Or Institute for Research and Education, 22281-100 Rio de Janeiro, Brazil.
4. Center of Statistics and Applications of the University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal.
5. Division of Molecular Biology and Biochemistry, University of Missouri, 5007 Rockhill Road, Kansas City, MO 64110, USA.