1. Institute of Applied Mathematical Sciences, National Taiwan University, Taipei, Taiwan
2. Department of Mathematics, National Taiwan University, Taipei, Taiwan
3. Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
4. Data Science Degree Program, National Taiwan University, Taipei, Taiwan
5. Data Science Department, Measured, Inc., Austin, TX, USA
6. Goizueta Business School, Emory University, Atlanta, GA, USA