Jessica Hope Whiteside, University of Southampton, Southampton, SO14, United Kingdom, Joyce Ann Yager, University of Southern California, Los Angeles, CA, United States, Lydia Tackett, North Dakota State University Main Campus, Fargo, ND, United States, Morgan F Schaller, Rutgers University, Piscataway, NJ, United States and Paul E Olsen, Columbia University of New York, Earth and Environmental Science, NY, NY, United States