Acknowledgements
Drs. London, Skubas and Sniecinski wish to acknowledge the expert assistance of the following SCA members in the design and institution of this database and for their continued support as reviewers for the Echo Rounds Section.
| John Augoustides | Zak Hillel | Scott Reeves |
| Edwin Avery | Charles Hogue | Kent Rehfeldt |
| Victor Baum | Ronald Kahn | Robert Savage |
| Marek Brzezinski | Colleen Koch | Rebecca Schroeder |
| Mark Chaney | Steven Konstadt | Jack Shanewise |
| Albert Cheung | Stephane Lambert | Stan Shernan |
| C. David Collard | Jonathan Mark | Douglas Shook |
| David Cook | Andrew Maslow | Madhav Swaminathan |
| Michael D'ambra | Joseph Mathew | Brian Spence |
| Andre Denault | Wanda Miller-Hance | Martin Stechert |
| Benjamin Drenger | Alex Mittnacht | Marc Stone |
| Amanda Fox | Don Oxorn | Greg Stratmann |
| John Fox | Albert Perrino | Deepak Tempe |
| Katherine Grichnik | Wanda Popescu | Claude Tousignant |
| Gregg Hartman | Dave Pybus | Lee Wallace |
| David Zvara |