1. Indian Institute of Technology, Hyderabad, Hyderabad, India
2. Zerotha Research and Cerence GmbH, Aachen, Germany
3. Zerotha Research and RWTH Aachen, Aachen, Germany
4. University of Dayton, Dayton, OH, USA
5. IBM Research & Zerotha Research, Nairobi, Kenya
6. Goldman Sachs, Frankfurt, Germany