| article html file updated | 7 February 2020 21:34 CET | Update | https://www.mdpi.com/2072-666X/8/1/23 |
| article html file updated | 22 September 2019 21:57 CEST | Update | - |
| article html file updated | 4 May 2019 15:02 CEST | Update | - |
| article html file updated | 15 October 2018 05:16 CEST | Update | - |
| article html file updated | 7 February 2017 04:19 CET | Update | - |
| article html file updated | 16 January 2017 13:12 CET | Original file | - |
| article xml uploaded. | 16 January 2017 13:11 CET | Update | https://www.mdpi.com/2072-666X/8/1/23/xml |
| article xml uploaded. | 16 January 2017 13:11 CET | Original file | - |
| article pdf uploaded. | 16 January 2017 13:11 CET | Version of Record | https://www.mdpi.com/2072-666X/8/1/23/pdf |
