diff --git a/src/main/resources/gmm/coeffs/AG20_PRVI.csv b/src/main/resources/gmm/coeffs/AG20_PRVI.csv
index 3f18c7724c099d245d307fdb2f37843fe3f0af80..a24c938f15072f9384509bdca54727266c6cf480 100644
--- a/src/main/resources/gmm/coeffs/AG20_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/AG20_PRVI.csv
@@ -1,4 +1,4 @@
-    IMT,        a1,       a12
+      T,        a1,       a12
     PGV,         0,         0
     PGA,  4.096000,  0.676590
   0.010,  4.096000,  0.676590
diff --git a/src/main/resources/gmm/coeffs/ASK14_PRVI.csv b/src/main/resources/gmm/coeffs/ASK14_PRVI.csv
index b6aba8f4eb4afdf58f111bf3a48ed24feaa3ef61..5df486e9119b8d8f7c07ad3e1e1e778aae28c1e3 100644
--- a/src/main/resources/gmm/coeffs/ASK14_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/ASK14_PRVI.csv
@@ -1,4 +1,4 @@
-    IMT,        a1,       a10
+      T,        a1,       a10
     PGV,  5.488571,  2.276115
     PGA,  0.096076,  1.544800
   0.010,  0.096076,  1.544800
diff --git a/src/main/resources/gmm/coeffs/BSSA14_PRVI.csv b/src/main/resources/gmm/coeffs/BSSA14_PRVI.csv
index c3fcd7b79c1b46c51fc3115d41bd06dfd4ec1234..3b765a0bea56f6227f3d791db75f78670442626b 100644
--- a/src/main/resources/gmm/coeffs/BSSA14_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/BSSA14_PRVI.csv
@@ -1,4 +1,4 @@
-    IMT,        e0,        e1,        e2,        e3,         c
+      T,        e0,        e1,        e2,        e3,         c
     PGV,  4.674031,  4.715031,  4.486031,  4.670031, -0.780817
     PGA,  0.226805,  0.265105,  0.025405,  0.233405, -0.671069
   0.010,  0.232905,  0.271105,  0.031405,  0.239405, -0.671069
diff --git a/src/main/resources/gmm/coeffs/CB14_PRVI.csv b/src/main/resources/gmm/coeffs/CB14_PRVI.csv
index a4c3e41fd5f583aeb8f78b550e3050be835e1d7d..b3f758220fa426c00ebbf5615c5a4d61acb525a4 100644
--- a/src/main/resources/gmm/coeffs/CB14_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/CB14_PRVI.csv
@@ -1,4 +1,4 @@
-    IMT,         c0,       c11
+      T,         c0,       c11
     PGV,  -3.142420,  1.540352
     PGA,  -4.622896,  0.732463
   0.010,  -4.571896,  0.732463
diff --git a/src/main/resources/gmm/coeffs/CY14_PRVI.csv b/src/main/resources/gmm/coeffs/CY14_PRVI.csv
index 542e7a871bddbf70296cc4be474de2012b757f11..65ab3847778cc6ffb1c57ab9365e8a096d4047bf 100644
--- a/src/main/resources/gmm/coeffs/CY14_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/CY14_PRVI.csv
@@ -1,4 +1,4 @@
-   IMT,        c1,      phi1
+     T,        c1,      phi1
    PGV,  2.034528, -0.790826
    PGA, -1.757322, -0.680903
  0.010, -1.757322, -0.680903
diff --git a/src/main/resources/gmm/coeffs/KBCG20_PRVI.csv b/src/main/resources/gmm/coeffs/KBCG20_PRVI.csv
index 0d62f36c9aa45114fc49a15e96f35feb3ffe0cc8..cbc9880aefceb194df0fb320854d040c2060a98a 100644
--- a/src/main/resources/gmm/coeffs/KBCG20_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/KBCG20_PRVI.csv
@@ -1,4 +1,4 @@
-    IMT, mu_c_1_if, mu_c_1_slab,    mu_c_7
+      T, mu_c_1_if, mu_c_1_slab,    mu_c_7
     PGV,  5.947083,    8.949273,  1.556776
     PGA,  3.215307,    4.289080,  0.890964
   0.010,  3.075653,    4.059572,  0.890964
diff --git a/src/main/resources/gmm/coeffs/PSBAH20_PRVI.csv b/src/main/resources/gmm/coeffs/PSBAH20_PRVI.csv
index 4d84460454d0e6dd384346b27506f667981eb8a3..806af0856cc9ae2a39b4c54e65abc871ff01ec06 100644
--- a/src/main/resources/gmm/coeffs/PSBAH20_PRVI.csv
+++ b/src/main/resources/gmm/coeffs/PSBAH20_PRVI.csv
@@ -1,24 +1,24 @@
-    IMT         c0,    c0slab,        s2
-    PGV   7.724468, 12.821468, -0.763133
-    PGA   4.122884,  9.947884, -0.781134
-  0.010   3.754884, 10.002884, -0.781134
-  0.020   3.842748, 10.179748, -0.789103
-  0.030   4.134612, 10.431612, -0.797072
-  0.050   4.656340, 11.024340, -0.813010
-  0.075   5.042000, 11.384000, -0.832932
-  0.100   5.175379, 11.455379, -0.787692
-  0.150   5.380000, 11.611000, -0.924935
-  0.200   5.335000, 11.355000, -0.923939
-  0.250   5.159000, 11.103000, -0.971278
-  0.300   4.883000, 10.969000, -0.924333
-  0.400   4.395540, 10.331540, -0.800285
-  0.500   3.911355,  9.738355, -0.639582
-  0.750   3.109810,  8.861810, -0.436993
-  1.000   2.637178,  8.060178, -0.362871
-  1.500   1.987336,  6.770336, -0.308627
-  2.000   1.453452,  5.768452, -0.264973
-  3.000   1.026138,  4.936138, -0.264973
-  4.000   0.780298,  4.358298, -0.264973
-  5.000   0.765000,  4.133000, -0.264973
-  7.500   0.378000,  3.432000, -0.264973
- 10.000   0.346000,  3.020000, -0.264973
+      T,       c0,    c0slab,        s2
+    PGV, 7.724468, 12.821468, -0.763133
+    PGA, 4.122884,  9.947884, -0.781134
+  0.010, 3.754884, 10.002884, -0.781134
+  0.020, 3.842748, 10.179748, -0.789103
+  0.030, 4.134612, 10.431612, -0.797072
+  0.050, 4.656340, 11.024340, -0.813010
+  0.075, 5.042000, 11.384000, -0.832932
+  0.100, 5.175379, 11.455379, -0.787692
+  0.150, 5.380000, 11.611000, -0.924935
+  0.200, 5.335000, 11.355000, -0.923939
+  0.250, 5.159000, 11.103000, -0.971278
+  0.300, 4.883000, 10.969000, -0.924333
+  0.400, 4.395540, 10.331540, -0.800285
+  0.500, 3.911355,  9.738355, -0.639582
+  0.750, 3.109810,  8.861810, -0.436993
+  1.000, 2.637178,  8.060178, -0.362871
+  1.500, 1.987336,  6.770336, -0.308627
+  2.000, 1.453452,  5.768452, -0.264973
+  3.000, 1.026138,  4.936138, -0.264973
+  4.000, 0.780298,  4.358298, -0.264973
+  5.000, 0.765000,  4.133000, -0.264973
+  7.500, 0.378000,  3.432000, -0.264973
+ 10.000, 0.346000,  3.020000, -0.264973