[P1–018]: THE EFFECTS OF HORTICULTURAL THERAPY ON THE PSYCHONEUROIMMUNOLOGICAL MARKERS OF ELDERLY IN SINGAPORE: SECOND‐WAVE FINDINGS FROM THE RANDOMIZED CONTROLLED TRIAL. (1st July 2017) - Ted Ng, Kheng Siang; Ying Tan, Crystal Tze; Chan, Hui Yu; Sia, Angelia; Kian‐Wee Ng, Maxel; Tan, Chay Hoon; Feng, Lei; Mahendran, Rathi; Kua, Ee Heok; Larbi, Anis; Chun‐Man Ho, Roger; ,