| article html file updated | 7 February 2020 17:38 CET | Update | https://www.mdpi.com/2073-8994/8/11/121 |
| article html file updated | 4 May 2019 23:14 CEST | Update | - |
| article html file updated | 30 November 2016 06:49 CET | Update | - |
| article html file updated | 11 November 2016 10:45 CET | Update | - |
| article xml uploaded. | 11 November 2016 10:44 CET | Update | https://www.mdpi.com/2073-8994/8/11/121/xml |
| article pdf uploaded. | 11 November 2016 10:44 CET | Updated version of record | https://www.mdpi.com/2073-8994/8/11/121/pdf |
| article html file updated | 8 November 2016 05:20 CET | Original file | - |
| article xml uploaded. | 8 November 2016 05:19 CET | Update | - |
| article xml uploaded. | 8 November 2016 05:19 CET | Original file | - |
| article pdf uploaded. | 8 November 2016 05:19 CET | Version of Record | https://www.mdpi.com/2073-8994/8/11/121/pdf-vor |
