1. Department of Electrical Engineering, Columbia University, New York, NY, USA
2. AWS, New York, NY, USA
3. Stuyvesant High School, New York, NY, USA
4. The City College of New York, New York, NY, USA
5. Department of Electronics Engineering, Universidad Técnica Federico Santa María, Valparaíso, Chile
6. Nokia Bell Labs, Murray Hill, NJ, USA