| article html file updated | 9 February 2020 00:04 CET | Update | https://www.mdpi.com/2073-8994/9/12/317 |
| article html file updated | 29 September 2019 05:11 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:34 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:21 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:41 CET | Update | N/A |
| article html file updated | 14 December 2017 12:50 CET | Original file | N/A |
| article xml uploaded. | 14 December 2017 12:49 CET | Update | https://www.mdpi.com/2073-8994/9/12/317/xml |
| article xml uploaded. | 14 December 2017 12:49 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2017 12:49 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/317/pdf |
