1. Department of Chemistry, Ateneo de Manila University, Quezon City, Philippines Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA 40202
2. Department of Chemistry, Ateneo de Manila University, Quezon City, Philippines Department of Physics, De La Salle University, Manila, Philippines
3. Department of Chemistry, Ateneo de Manila University, Quezon City, Philippines
4. Institute of Chemistry, University of the Philippines – Diliman, Quezon City, Philippines