His young child's illness has prompted speculation that he may have been distraught.
His illness prompted him to take emeritus status in 1998, but he remained a presence at board meetings until a few weeks ago, the association said.
After a 25-year career in acting, a serious illness prompted a life change, and she moved into stand-up.
Rubenstein denied that any illness had prompted Steinbrenner to rely on him so heavily.
This illness prompted Brandon to take a leave from active service, which lasted until the end of August.
They toured from 1981 until 1988 when illnesses prompted several of the members to retire from full-time singing.
A serious illness and the death of a child in 1829 prompted him to turn to religion, and he became an ordained minister in 1832.
His wife's illness, Mr. Robertson said, "maybe prompted" him to give the gift earlier than he might have.
His illness prompted travels to southern Europe.
His third wife, whose illness prompted his return from Arizona Territory, survived until January 5, 1882.