1. Department
of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Singapore
2. Institute
for Application of Learning Science and Educational Technology (ALSET), University Hall, Lee Kong Chian Wing UHL #05-01D, 21 Lower Kent Ridge Road, 119077 Singapore
3. National University of Singapore, Environmental Research Institute (NERI), 5A Engineering Drive 1, 117411 Singapore