| article html file updated | 10 February 2020 03:32 CET | Update | https://www.mdpi.com/1996-1073/11/8/1970 |
| article html file updated | 6 October 2019 03:11 CEST | Update | - |
| article html file updated | 29 April 2019 22:01 CEST | Update | - |
| article html file updated | 15 April 2019 17:03 CEST | Update | - |
| article html file updated | 31 March 2019 01:41 CET | Update | - |
| article html file updated | 28 August 2018 03:44 CEST | Update | - |
| article html file updated | 31 July 2018 07:55 CEST | Update | - |
| article html file updated | 30 July 2018 11:59 CEST | Original file | - |
| article pdf uploaded. | 30 July 2018 08:41 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/1970/pdf |
| article xml uploaded. | 30 July 2018 08:41 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1970/xml |
| article xml file uploaded | 30 July 2018 08:41 CEST | Original file | - |
