GBNH - Greenbrook TMS Inc. 2021 Q2 - Results - Earnings Call Presentation August, 18 2021 11:39 AM Greenbrook TMS Inc. The following slide deck was published by Greenbrook TMS Inc. in conjunction with their 2021 Q2 earnings call. For further details see: Greenbrook TMS Inc. 2021 Q2 - Results - Earnings Call Presentation