| article html file updated | 9 February 2020 15:57 CET | Update | https://www.mdpi.com/2075-1680/7/2/28 |
| article html file updated | 3 October 2019 03:31 CEST | Update | - |
| article html file updated | 30 April 2019 23:20 CEST | Update | - |
| article html file updated | 16 April 2019 23:56 CEST | Update | - |
| article html file updated | 29 March 2019 20:45 CET | Update | - |
| article html file updated | 27 June 2018 12:02 CEST | Update | - |
| article html file updated | 1 May 2018 15:03 CEST | Original file | - |
| article pdf uploaded. | 1 May 2018 11:17 CEST | Version of Record | https://www.mdpi.com/2075-1680/7/2/28/pdf |
| article xml uploaded. | 1 May 2018 11:17 CEST | Update | https://www.mdpi.com/2075-1680/7/2/28/xml |
| article xml file uploaded | 1 May 2018 11:17 CEST | Original file | - |
