An erratum was issued for: A Simple Pit Assay Protocol to Visualize and Quantify Osteoclastic Resorption In Vitro. The Protocol section were updated. Step 1.1 of the Protocol has been updated from: Preparation of calcium stock solution (25 mM CaCl2·2H2O, 1.37 mM NaCl, 15 mM MgCl2·6H2O in Tris buffer) to: Preparation of calcium stock so…