Table I.

Study flow-chart.

Group 1 patients 1-3-5	LPP	Crossover	NO-LPP
Group 2 patients 2-4-6	NO-LPP		LPP
Evaluations	Day 0: baseline	Day 7	Day 14: end of study
Body weight	X		X
Height	X
Body mass index	X		X
Nutritional status	X	X
Mini Mental State examination	X
Dietary instructions	X	X
PGI		X	X
Diary dispensing	X	X
Diary collection		X	X
Armband	X	X	X