| article html file updated | 7 February 2020 15:13 CET | Update | https://www.mdpi.com/1660-3397/14/9/169 |
| article html file updated | 5 May 2019 03:41 CEST | Update | - |
| article html file updated | 27 September 2016 10:21 CEST | Update | - |
| article html file updated | 20 September 2016 11:47 CEST | Original file | - |
| article xml uploaded. | 20 September 2016 11:45 CEST | Update | https://www.mdpi.com/1660-3397/14/9/169/xml |
| article xml uploaded. | 20 September 2016 11:45 CEST | Original file | - |
| article pdf uploaded. | 20 September 2016 11:45 CEST | Version of Record | https://www.mdpi.com/1660-3397/14/9/169/pdf |
