id	keyword
ccsj-303	color
ccsj-303	light
ccsj-303	lighting
ccsj-303	environment
ccsj-303	sanatorium
ccsj-303	use
ccsj-303	doi
ccsj-303	fig
ccsj-303	study
ccsj-303	design
ccsj-303	observation
ccsj-303	journal