1. Technopreneurship and Innovation Management Program, Chulalongkorn University, Bangkok 10330, Thailand
2. Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
3. Faculty of Commerce and Accountancy, Chulalongkorn University, Bangkok 10330, Thailand
4. Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand