Boston University School of Medicine, 670 Albany St, Suite 516, Boston, MA 02118, USA and lecturer in medicine, Harvard Medical School, Boston, MA 02115, USA, Deborah. [email protected]
Special thanks to Joseph Politch, Jeffrey Pudney, Caitlin Blaskewicz, Marc Abrahams, and Peter Greenhouse for their encouragement and scientific input.
Competing interests: None declared.
Ethical approval: The original research described was reviewed by the Boston University Medical Campus Human Subject’s Institutional Review Board and was deemed exempt.
