| article html file updated | 17 September 2018 06:57 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1239 |
| article html file updated | 29 September 2016 08:41 CEST | Update | - |
| article html file updated | 16 September 2016 13:45 CEST | Original file | - |
| article xml uploaded. | 16 September 2016 13:43 CEST | Original file | https://www.mdpi.com/1420-3049/21/9/1239/xml |
| article pdf uploaded. | 16 September 2016 13:43 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1239/pdf |
