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. 2018 Aug 21;9:1131. doi: 10.3389/fphys.2018.01131

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Copyright © 2018 Pun, Guadagni, Bettauer, Drogos, Aitken, Hartmann, Furian, Muralt, Lichtblau, Bader, Rawling, Protzner, Ulrich, Bloch, Giesbrecht and Poulin.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Study flowchart for Altitude and Control group study participants. Figure illustrates participant flow through the experimental protocols (CONSORT diagram) showing the flow of study participants for high altitude protocol (ALMA) and controls (Calgary). n, number; asl, above sea level; m, meter; kg, kilogram; ALMA, the Atacama Large Millimeter Array.