Universidade Federal de São Paulo, Dept Prevent Med, Ctr Mindfulness & Hlth Promot, São Paulo, BrazilWashington Univ, Sch Med, Div Cardiol, Heart Rate Variabil Lab, St Louis, MO USAUniversidade Federal de São Paulo, Dept Prevent Med, Ctr Mindfulness & Hlth Promot, São Paulo, BrazilWeb of Scienc