| article html file updated | 7 February 2020 12:04 CET | Update | https://www.mdpi.com/2073-8994/8/7/69 |
| article html file updated | 5 May 2019 09:29 CEST | Update | - |
| article html file updated | 27 March 2019 10:59 CET | Update | - |
| article html file updated | 28 July 2016 09:46 CEST | Update | - |
| article html file updated | 21 July 2016 09:18 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 09:17 CEST | Update | https://www.mdpi.com/2073-8994/8/7/69/xml |
| article pdf uploaded. | 21 July 2016 09:17 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/7/69/pdf |
