| article html file updated | 9 February 2020 23:49 CET | Update | https://www.mdpi.com/2075-4701/8/7/509 |
| article html file updated | 5 October 2019 04:51 CEST | Update | - |
| article html file updated | 30 April 2019 05:34 CEST | Update | - |
| article html file updated | 16 April 2019 00:50 CEST | Update | - |
| article html file updated | 30 March 2019 16:40 CET | Update | - |
| article html file updated | 1 August 2018 11:10 CEST | Update | - |
| article html file updated | 3 July 2018 04:18 CEST | Original file | - |
| article pdf uploaded. | 3 July 2018 04:16 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/7/509/pdf |
| article xml uploaded. | 3 July 2018 04:16 CEST | Update | https://www.mdpi.com/2075-4701/8/7/509/xml |
| article xml file uploaded | 3 July 2018 04:16 CEST | Original file | - |
