1. anesthesiologist in private practice in Bucaramanga, Colombia
2. Plastic Surgeon, Division of Plastic Surgery at the Jalisco Institute of Reconstructive Surgery, Guadalajara, Jalisco, Mexico
3. plastic surgeon in private practice in Mérida, Yuc, México
4. anesthesiologist in private practice in Baltimore, MD, USA
5. anesthesiologist in private practice in Medellin, Colombia
6. Anesthesiologist, Department of Anesthesiology, Brigham and Women’s Hospital, Boston, MA, USA