| article html file updated | 10 February 2020 01:41 CET | Update | https://www.mdpi.com/2075-1702/6/3/31 |
| article html file updated | 5 October 2019 16:36 CEST | Update | - |
| article html file updated | 30 April 2019 01:41 CEST | Update | - |
| article html file updated | 15 April 2019 20:57 CEST | Update | - |
| article html file updated | 30 March 2019 21:17 CET | Update | - |
| article html file updated | 2 August 2018 11:17 CEST | Update | - |
| article html file updated | 17 July 2018 15:01 CEST | Original file | - |
| article pdf uploaded. | 17 July 2018 14:59 CEST | Version of Record | https://www.mdpi.com/2075-1702/6/3/31/pdf |
| article xml uploaded. | 17 July 2018 14:59 CEST | Update | https://www.mdpi.com/2075-1702/6/3/31/xml |
| article xml file uploaded | 17 July 2018 14:59 CEST | Original file | - |
