Which one is better, Felsentor Retreat Center Rigi, Laghsam Tibetan Meditation Zurich or Meditation Research Institute Switzerland (MRIS)?

Laghsam Tibetan Meditation Zurich Felsentor Retreat Center Rigi Meditation Research Institute Switzerland (MRIS) Visit Laghsam Tibetan Meditation & Felsentor Retreat Center, the Meditation Research Institute Switzerland (MRIS) is not open for visitors,but we invite you to test the Laboratory of Peter Gamma, Physiologist & Director of the Meditation Research Institute Switzerland (MRIS) by yourself: And …