Conflicts of interest
No relevant conflicts of interest exist for any of the authors.
Funding sources
This work was supported by a grant from the Duluth Clinic
Foundation.
Acknowledgment
The authors would like to thank Claudia O’Connor, RN and Jeanette
Palcher for their assistance in abstracting and organizing data
from the electronic and paper health records, and Luanne Borowicz
for contacting patients and families for follow up information.