| article html file updated | 8 February 2020 07:10 CET | Update | https://www.mdpi.com/2072-666X/8/6/172 |
| article html file updated | 25 September 2019 02:44 CEST | Update | - |
| article html file updated | 3 May 2019 19:33 CEST | Update | - |
| article html file updated | 15 October 2018 05:48 CEST | Update | - |
| article html file updated | 27 June 2017 11:35 CEST | Update | - |
| article html file updated | 2 June 2017 08:19 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 08:18 CEST | Update | https://www.mdpi.com/2072-666X/8/6/172/xml |
| article pdf uploaded. | 2 June 2017 08:18 CEST | Updated version of record | https://www.mdpi.com/2072-666X/8/6/172/pdf |
| article pdf uploaded. | 1 June 2017 11:38 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/6/172/pdf-vor |
