| Jeaneen L Andorf | Institute for Vision Research, Carver College of Medicine, University of Iowa |
| Val C Sheffield | Institute for Vision Research, Carver College of Medicine, University of Iowa |
| Robert F Mullins | Institute for Vision Research, Carver College of Medicine, University of Iowa |
| Edwin M Stone | Institute for Vision Research, Carver College of Medicine, University of Iowa |
| Budd A Tucker | Institute for Vision Research, Carver College of Medicine, University of Iowa |