In more than 1 of 10 treated patients In less than 1 of 10, but more than 1 of 100 treated patients In less than 1 of 100, but more than 1 of 1,000 treated patients In less than 1 of 1,000, but more than 1 of 10,000 treated patients In 1 case or less of 10,000 treated patients including isolated reports