| article html file updated | 8 February 2020 07:23 CET | Update | https://www.mdpi.com/2072-666X/8/6/176 |
| article html file updated | 25 September 2019 03:43 CEST | Update | - |
| article html file updated | 3 May 2019 19:09 CEST | Update | - |
| article html file updated | 15 October 2018 05:49 CEST | Update | - |
| article html file updated | 27 June 2017 11:36 CEST | Update | - |
| article html file updated | 3 June 2017 08:06 CEST | Original file | - |
| article xml uploaded. | 3 June 2017 08:05 CEST | Update | https://www.mdpi.com/2072-666X/8/6/176/xml |
| article pdf uploaded. | 3 June 2017 08:05 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/6/176/pdf |
