An actuarial data processing system comprises data input means for inputting client information, output means for outputting information, storage means and processing means. The method includes receiving a plurality of patients’ clinical data from encounters over a predetermined time period and mapping disease codes in the clinical data of the plurality of patients to respective chronic diseases. The foot-receiving device further may include a removable heel pad detachably engaged within the cavity or void. The LDP system provides a warning with vibration and a control effort of yawing moment by wheel torque or steering torque. The silicon source gas is a univalent or bivalent aminosilane gas, and each of the cycles is arranged to use a process temperature lower than that used for a trivalent aminosilane gas.