Klein Christopher J, Benarroch Eduardo E
From the Peripheral Neuropathy Research Laboratory (C.J.K.) and the Mayo Clinic Autonomic Physiology Laboratory (E.E.B.), Mayo Foundation, Rochester, MN.
Neurology. 2014 May 20;82(20):1833-40. doi: 10.1212/WNL.0000000000000440. Epub 2014 Apr 23.