Feedback from readers has prompted me to look at co-morbid conditions with Chronic Fatigue Syndrome. Today, It is IBS.
| Count | Name |
| 254 | Talley, Nicholas J |
| 196 | Camilleri, Michael |
| 142 | Whorwell, Peter J |
| 134 | Drossman, Douglas A |
| 120 | Chang, Lin |
| 120 | Zinsmeister, Alan R. |
| 102 | Simrén, Magnus |
| 101 | Quigley, Eamonn M |
| 94 | Whitehead, William E |
| 89 | Mayer, Emeran A |
| 86 | Chey, W.D. |
| 72 | Ford, Alexander C |
| 72 | Mayer, E A |
| 72 | Tack, Jan |
| 67 | Chey, William D |
| 67 | Pimentel, Mark |
| 62 | Fukudo, Shin |
| 47 | Barbara, Giovanni |
| 41 | Naliboff, Bruce D |