Independent Consultant, 6122 Queensloch Drive, Houston, TX 77096, USA. Electronic address: psvillars@gmail.com. Center for Professional Excellence, Institute for Academic Medicine, Houston Methodist Hospital, 6565 Fannin, MGJ 11-017, Houston, TX 77030, USA. Department of Acute and Continuing Care, University of Texas Health Science Center at Houston, 6901 Bertner Avenue SON 654, Houston, TX 77030, USA.