Model selection

ref: AP176

ref: AP177

ref: AP178

ref: AP179

ref: AP180

ref: AP181

ref: AP182

ref: AP183

ref: AP184

ref: AP185

ref: AP186

ref: AP187

ref: AP188

ref: AP189

ref: AP190

ref: AP191

ref: AP192

ref: AP193

ref: AP194

ref: AP195

ref: AP196

ref: AP197

ref: AP199

ref: AP200

ref: AP201

ref: AP202

ref: AP203

ref: AP204

ref: AP205

ref: AP206