| article html file updated | 8 February 2020 17:34 CET | Update | https://www.mdpi.com/2073-8994/9/10/206 |
| article html file updated | 27 September 2019 11:38 CEST | Update | - |
| article html file updated | 2 May 2019 23:13 CEST | Update | - |
| article html file updated | 1 November 2017 04:41 CET | Update | - |
| article html file updated | 26 October 2017 08:37 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 08:36 CEST | Update | https://www.mdpi.com/2073-8994/9/10/206/xml |
| article xml uploaded. | 26 October 2017 08:36 CEST | Original file | - |
| article pdf uploaded. | 26 October 2017 08:36 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/206/pdf |
| article pdf uploaded. | 30 September 2017 10:46 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/206/pdf-vor |