1. Master of Science Programme in Plant Science; Faculty of Graduate Studies; Mahidol University; Bangkok 10400 Thailand
2. Department of Plant Science; Faculty of Science; Mahidol University; King Rama VI Road Bangkok 10400 Thailand
3. Department of Pharmaceutical Botany; Faculty of Pharmacy; Mahidol University; Si Ayutthaya Road Bangkok 10400 Thailand
4. Kadoorie Farm & Botanic Garden; Lam Kam Road Tai Po, New Territories Hong Kong
5. Maejo University; Phrae Campus 17 Moo 3, Maesai Rongkwang Phrae 54140 Thailand