Physiological measurements
MP
EGG data were recorded with BIOPAC MP 150 device (BIOPAC Systems, Goleta, CA, USA) and AcqKnowledge 4.1 software for data acquisition. We followed the same analysis protocol as in our previous studySalivary cortisol levels were obtained with Salivette Cortisol® swabs (Sarstedt, Germany) at various time points as detailed in Fig. 