Charles S. Cleeland (1991). The copyright applies to the BPI and all its derivatives in any language. The BPI may not be used or reproduced without permission from Charles S. Cleeland, PhD, or his designee. Fees for use may apply. The BPI may not be modified or translated into another language without the express written consent of the copyright holder. Failure to comply may result in legal action. Permission to alter or translate the instrument may be obtained by contacting Dr. Charles S. Cleel