| article html file updated | 8 February 2020 07:40 CET | Update | https://www.mdpi.com/2072-666X/8/6/180 |
| article html file updated | 25 September 2019 05:13 CEST | Update | - |
| article html file updated | 3 May 2019 18:38 CEST | Update | - |
| article html file updated | 15 October 2018 05:50 CEST | Update | - |
| article html file updated | 27 June 2017 11:36 CEST | Update | - |
| article html file updated | 7 June 2017 11:40 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 11:39 CEST | Original file | https://www.mdpi.com/2072-666X/8/6/180/xml |
| article pdf uploaded. | 7 June 2017 11:39 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/6/180/pdf |
