| article html file updated | 8 February 2020 08:33 CET | Update | https://www.mdpi.com/2072-666X/8/6/188 |
| article html file updated | 25 September 2019 09:46 CEST | Update | - |
| article html file updated | 3 May 2019 16:58 CEST | Update | - |
| article html file updated | 27 June 2017 11:38 CEST | Update | - |
| article html file updated | 17 June 2017 09:06 CEST | Original file | - |
| article xml uploaded. | 17 June 2017 09:05 CEST | Original file | https://www.mdpi.com/2072-666X/8/6/188/xml |
| article pdf uploaded. | 17 June 2017 09:05 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/6/188/pdf |
