| article html file updated | 10 February 2020 09:01 CET | Update | https://www.mdpi.com/2075-1702/6/3/40 |
| article html file updated | 7 October 2019 09:54 CEST | Update | - |
| article html file updated | 29 April 2019 09:40 CEST | Update | - |
| article html file updated | 15 April 2019 05:23 CEST | Update | - |
| article html file updated | 31 March 2019 14:49 CEST | Update | - |
| article html file updated | 26 September 2018 10:29 CEST | Update | - |
| article html file updated | 3 September 2018 15:43 CEST | Original file | - |
| article pdf uploaded. | 3 September 2018 15:41 CEST | Version of Record | https://www.mdpi.com/2075-1702/6/3/40/pdf |
| article xml uploaded. | 3 September 2018 15:41 CEST | Update | https://www.mdpi.com/2075-1702/6/3/40/xml |
| article xml file uploaded | 3 September 2018 15:41 CEST | Original file | - |
