Sigall K. BellSigall K. Bell, MD, is an assistant professor of medicine at Harvard Medical School in Boston, MA. She earned her medical degree from Harvard Medical School and a diploma in Tropical Medicine and Hygiene from the London School of Tropical Mediine and Hygiene, England. Courtney L. McMickens, MD, MPH, is a resident physician in the department of psychiatry at the Hospital of the University of Pennsylvania, Philadelphia, PA. She earned a medical degree from Harvard Medical School and a master's degree in public health from Harvard School of Public Health. Kevin J. Selby, MD, is a second-year resident physician in internal medicine at the Beth Israel Deaconess Medical Center in Boston, MA. He completed his medical doctorate at Harvard Medical School in 2009. Read More Read Less