| article html file updated | 17 September 2018 06:35 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1177 |
| article html file updated | 29 September 2016 08:34 CEST | Update | - |
| article html file updated | 5 September 2016 11:24 CEST | Original file | - |
| article xml uploaded. | 5 September 2016 11:23 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1177/xml |
| article xml uploaded. | 5 September 2016 11:23 CEST | Original file | - |
| article pdf uploaded. | 5 September 2016 11:23 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1177/pdf |
