| article html file updated | 8 February 2020 17:40 CET | Update | https://www.mdpi.com/2073-8994/9/10/209 |
| article html file updated | 27 September 2019 12:18 CEST | Update | N/A |
| article html file updated | 2 May 2019 23:00 CEST | Update | N/A |
| article html file updated | 1 November 2017 04:41 CET | Update | N/A |
| article html file updated | 11 October 2017 06:08 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2017 06:07 CEST | Update | https://www.mdpi.com/2073-8994/9/10/209/xml |
| article xml uploaded. | 11 October 2017 06:07 CEST | Original file | N/A |
| article pdf uploaded. | 11 October 2017 06:07 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/209/pdf |
| article pdf uploaded. | 1 October 2017 13:17 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/209/pdf-vor |
