Erratum to: Newly Diagnosed Primary Open-Angle Glaucoma Randomized to 2 Trabecular Bypass Stents or Prostaglandin: Outcomes Through 36 Months. Issue 2 (December 2016) - Vold, Steven; Voskanyan, Lilit; Tetz, Manfred; Auffarth, Gerd; Masood, Imran; Au, Leon; Ahmed, Iqbal; Saheb, Hady