Participant,GPS,Bluetooth,Background,Questionnaire,Research,Advertising,Medical,Legal P1,comfortable,uncomfortable,neither comfortable nor uncomfortable,very comfortable,very comfortable,very uncomfortable,very comfortable,very uncomfortable P2,very comfortable,comfortable,comfortable,comfortable,comfortable,neither comfortable nor uncomfortable,comfortable,neither comfortable nor uncomfortable P3,very comfortable,very comfortable,very comfortable,very comfortable,very comfortable,uncomfortable,comfortable,comfortable P4,very comfortable,neither comfortable nor uncomfortable,very comfortable,very comfortable,comfortable,neither comfortable nor uncomfortable,very comfortable,neither comfortable nor uncomfortable P5,comfortable,comfortable,comfortable,very comfortable,comfortable,comfortable,comfortable,comfortable P6,very comfortable,very comfortable,very comfortable,comfortable,very comfortable,very comfortable,very comfortable,very comfortable P7,very comfortable,neither comfortable nor uncomfortable,comfortable,very comfortable,very comfortable,very uncomfortable,very comfortable,very comfortable P8,very comfortable,very comfortable,comfortable,very comfortable,very comfortable,very comfortable,very comfortable,very comfortable P9,comfortable,comfortable,comfortable,comfortable,comfortable,neither comfortable nor uncomfortable,comfortable,neither comfortable nor uncomfortable P10,very comfortable,very comfortable,very comfortable,,comfortable,uncomfortable,comfortable,comfortable P11,neither comfortable nor uncomfortable,neither comfortable nor uncomfortable,comfortable,,comfortable,uncomfortable,comfortable,uncomfortable P12,neither comfortable nor uncomfortable,neither comfortable nor uncomfortable,neither comfortable nor uncomfortable,,uncomfortable,very uncomfortable,uncomfortable,very uncomfortable P13,uncomfortable,neither comfortable nor uncomfortable,uncomfortable,,uncomfortable,very uncomfortable,very uncomfortable,comfortable