| article html file updated | 8 February 2020 12:13 CET | Update | https://www.mdpi.com/2073-8994/9/8/135 |
| article html file updated | 26 September 2019 05:23 CEST | Update | - |
| article html file updated | 3 May 2019 09:38 CEST | Update | - |
| article html file updated | 27 March 2019 18:05 CET | Update | - |
| article html file updated | 30 August 2017 09:50 CEST | Update | - |
| article html file updated | 28 July 2017 14:28 CEST | Original file | - |
| article xml uploaded. | 28 July 2017 14:26 CEST | Update | https://www.mdpi.com/2073-8994/9/8/135/xml |
| article pdf uploaded. | 28 July 2017 14:26 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/8/135/pdf |
