pending confirmation from Pezeshk, we take coeff c1 in Table 5 as correct

src/main/java/gov/usgs/earthquake/nshmp/gmm/PezeshkEtAl_2018.java

@@ -104,11 +104,14 @@ public abstract class PezeshkEtAl_2018 implements GroundMotionModel {
        * An "average empirical calibration factor" of 0.32 (log10-space)
        * discussed on p. 2287 apparently did not make it into coefficient c1 in
        * Table 5 (PZCT18_2ES), but is included in Table 4 (PZCT18_1SS).
+       * **clarification from Pezeshk pending, we are taking Table 5 c1 value as
+       * correct and Figure 4 is incorrect.
        */
-      double c1delta = (model == Model.PZCT18_2ES) ? -0.32 : 0.0;
+      // double c1delta = (model == Model.PZCT18_2ES) ? -0.32 : 0.0;
 
       // median model coefficients
-      c1 = coeffs.get("c1") + c1delta;
+      // c1 = coeffs.get("c1") + c1delta;
+      c1 = coeffs.get("c1");
       c2 = coeffs.get("c2");
       c3 = coeffs.get("c3");
       c4 = coeffs.get("c4");