1 NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA; Science Systems and Applications Inc, Lanham, MD, USA.
2 School of Life and Environmental Sciences, Schmid College of Science and Technology, Chapman University, One University Drive, Orange, CA, USA. Electronic address: rsingh@chapman.edu.
3 School of Engineering and Technology, Sharda University, Knowledge Park III, Greater Noida, India.