About the Authors

James O. Ballard

Penn State Hershey Medical Center, Hershey, PA, U.S.A.

Edward J. Wyluda

Penn State Hershey Medical Center, Hershey, PA, U.S.A.

Hong Zheng

Penn State Hershey Medical Center, Hershey, PA, U.S.A.

Michael H. Creer

Penn State Hershey Medical Center, Hershey, PA, U.S.A.

Corresponding Author

Email: jballard@hmc.psu.edu