Photoplethysmography.
Integrated, Murata Manufacturing Co., Ltd., Silicon Laboratories., Mediatek Inc., AMS AG, Texas Instruments Incorporated, Vishay Intertechnology, Renesas Electronics Corporation, F. Hoffmann-La Roche Ltd, MediaTek, Inc., LifeQ, Abbott, Johnson & Johnson Services, Inc., Medtronic, DuPont, Bio-Rad