At each center, we documented whether sedation, analgesia, or NMBs were administered using a local protocol.
UVB irradiation was administered using a light box (UV 3001, Waldmann, Germany) irradiation unit.
The drug was administered using a gastric catheter to ensure proper ingestion of the dose.
The injections were administered using a 22-gauge, 1.5" needle (Magellan®).
In addition to the regular resistance training machine, vibration was administered using a Medic Swing vibration generator (Mechatronic, Hamm, Germany).
Interviews were administered using a combination of computer-assisted personal interviewing and audio computer-assisted self-interviewing.
The compounds were administered using a Latin-square design 45 min prior to the weekly test sessions.
Diethylenetriaminepentaacetic acid labelled with technetium-99 m (2 mLi/3 mL) was administered using a vibrating-mesh nebulizer (Aerogen Solo®, Aerogen Ltd., Galway, Ireland) connected to the endotracheal tube.
Smokers and nonsmokers completed two sessions during which placebo or 50 mg of naltrexone was administered, using a double-blind, counterbalanced design.
Four tasks were administered using a classical pre-test/training/post-test design: listening comprehension, reading comprehension, vocabulary and comprehension monitoring.
