Unwillingness to follow study protocol and compliance procedures Unwillingness or inability to follow the procedures required in the protocol. Unwillingness or inability to follow the procedures required in the protocol. Unwillingness or inability to follow the procedures required in the protocol No unwillingness or inability to follow protocol requirements Unwillingness or inability to follow the procedures required in the protocol Inability or unwillingness to return for all the required follow-up visits Inability or unwillingness to return for all the required follow-up visits Unwillingness or inability to follow the procedures outlined in the protocol Inability or unwillingness to return to required visits and follow-up exams Unwillingness or inability to follow the procedures required in the protocol Unwillingness or inability to follow the procedures outlined in the protocol. Unwillingness or inability to follow the procedures outlined in the protocol Unwillingness or inability to follow the procedures required in the protocol. Inability or unwillingness to follow study protocol. Inability to comprehend or unwillingness to follow instructions for the study procedures required per protocol