Cardiovascular Research andPrevention Center, Bhumibol AdulyadejHospital, Royal Thai Air Force,Bangkok, Thailand.
Jariyawat Kompayak, PhD;
Nopphanath Chumpathat, RN, PhD;
Taweesak Kasiphol, RN, PhD;
Roongaroon Thammalikhit, MD;
Nuttira Keadtisut, RN