1. Associate Professor, Rory Meyers College of Nursing & Research Associate Professor, Department of General Internal Medicine, School of Medicine New York University, New York, NY, USA
2. Senior Biostatistician, Rory Meyers College of Nursing, New York University, NY, USA
3. Academic Dean, Facultad de Enfermería Tampico, Universidad Autónoma de Tamaulipas, Tampico, Tamaulipas, Mexico
4. Professor, National School of Nursing and Obstetrics, Universidad Nacional Autónoma de México