| article html file updated | 17 September 2018 06:23 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1156 |
| article html file updated | 29 September 2016 08:31 CEST | Update | - |
| article html file updated | 31 August 2016 12:18 CEST | Original file | - |
| article xml uploaded. | 31 August 2016 12:17 CEST | Original file | https://www.mdpi.com/1420-3049/21/9/1156/xml |
| article pdf uploaded. | 31 August 2016 12:17 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1156/pdf |
