| article html file updated | 7 February 2020 18:39 CET | Update | https://www.mdpi.com/2073-8994/8/12/140 |
| article html file updated | 22 September 2019 07:09 CEST | Update | - |
| article html file updated | 4 May 2019 21:15 CEST | Update | - |
| article html file updated | 27 December 2016 11:26 CET | Update | - |
| article html file updated | 26 November 2016 07:51 CET | Original file | - |
| article xml uploaded. | 26 November 2016 07:50 CET | Original file | https://www.mdpi.com/2073-8994/8/12/140/xml |
| article pdf uploaded. | 26 November 2016 07:50 CET | Version of Record | https://www.mdpi.com/2073-8994/8/12/140/pdf |
