| article html file updated | 9 February 2020 13:57 CET | Update | https://www.mdpi.com/2077-1312/6/2/43 |
| article html file updated | 2 October 2019 15:45 CEST | Update | - |
| article html file updated | 1 May 2019 03:13 CEST | Update | - |
| article html file updated | 17 April 2019 03:38 CEST | Update | - |
| article html file updated | 29 March 2019 15:59 CET | Update | - |
| article html file updated | 28 June 2018 09:03 CEST | Update | - |
| article html file updated | 16 April 2018 11:01 CEST | Original file | - |
| article pdf uploaded. | 16 April 2018 10:59 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/43/pdf |
| article xml uploaded. | 16 April 2018 10:59 CEST | Update | https://www.mdpi.com/2077-1312/6/2/43/xml |
| article xml file uploaded | 16 April 2018 10:59 CEST | Original file | - |
