The effect of continuous positive airway pressure on blood pressure in patients with obstructive sleep apnea and uncontrolled hypertension - Study design and challenges during the COVID-19 pandemic Fernanda C.S.G. Cruz; Luciano F. Drager; Daniel B.C. Queiróz; Gabriela A. Souza; Rodrigo P. Pedrosa; Tarcya L.G Couto Patriota; Egidio L. Dórea; Marcelo Luiz C. Vieira; Camila G. Righi; Denis Martinez; Geruza A. da Silva; Giovanio V. Silva; Andrea Pio-Abreu; Paulo A. Lotufo; Isabela M. Benseãor; Luiz A. Bortolotto; Flávio D. Fuchs; Geraldo Lorenzi-Filho;