| article html file updated | 8 February 2020 15:20 CET | Update | https://www.mdpi.com/2072-666X/8/9/271 |
| article html file updated | 26 September 2019 22:52 CEST | Update | - |
| article html file updated | 3 May 2019 03:34 CEST | Update | - |
| article html file updated | 30 September 2017 09:36 CEST | Update | - |
| article html file updated | 6 September 2017 11:06 CEST | Original file | - |
| article xml uploaded. | 6 September 2017 11:05 CEST | Original file | https://www.mdpi.com/2072-666X/8/9/271/xml |
| article pdf uploaded. | 6 September 2017 11:05 CEST | Updated version of record | https://www.mdpi.com/2072-666X/8/9/271/pdf |
| article pdf uploaded. | 5 September 2017 11:27 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/9/271/pdf-vor |
