During the interphase, all physicians, residents, physiotherapists and nurses will receive a formal training for the processes and procedures related to the 2 point bundle: protective ventilation and systematic approach to extubation (according to recommendation for the use of tidal volume < 7 ml/kg and of a positive expiratory pressure = 6 to 8 cmH20 (centimeter of water) and extubation as soon as ventilatory weaning is associated with a glasgow coma scale equal or above 10 and cought).