| article html file updated | 8 February 2020 21:11 CET | Update | https://www.mdpi.com/2073-8994/9/11/274 |
| article html file updated | 28 September 2019 11:30 CEST | Update | - |
| article html file updated | 2 May 2019 15:00 CEST | Update | - |
| article html file updated | 30 November 2017 08:26 CET | Update | - |
| article html file updated | 15 November 2017 08:49 CET | Original file | - |
| article xml uploaded. | 15 November 2017 08:48 CET | Original file | https://www.mdpi.com/2073-8994/9/11/274/xml |
| article pdf uploaded. | 15 November 2017 08:48 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/11/274/pdf |
| article pdf uploaded. | 14 November 2017 14:41 CET | Version of Record | https://www.mdpi.com/2073-8994/9/11/274/pdf-vor |
