About the Author

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Nicholas L. DePace, MD, FACCFranklin Cardiovascular AssociatesAutonomic Dysfunction and POTS CenterClinical Professor of MedicineHahnemann HospitalDrexel UniversityAttending Cardiologist Pennsylvania Hospital - Penn MedicinePhiladelphia, PAUSAJoseph Colombo, Ph.D.CTO & Senior Medical Director, TMCAMS, Inc.Parasympathetic & Sympathetic Nervous System ConsultantFranklin Cardiovascular AssociatesPhiladelphia, PAUSA