| article html file updated | 9 February 2020 15:20 CET | Update | https://www.mdpi.com/2075-4450/9/2/49 |
| article html file updated | 2 October 2019 23:46 CEST | Update | - |
| article html file updated | 1 May 2019 00:32 CEST | Update | - |
| article html file updated | 17 April 2019 01:11 CEST | Update | - |
| article html file updated | 29 March 2019 19:16 CET | Update | - |
| article html file updated | 25 April 2018 14:19 CEST | Original file | - |
| article pdf uploaded. | 25 April 2018 14:17 CEST | Version of Record | https://www.mdpi.com/2075-4450/9/2/49/pdf |
| article xml uploaded. | 25 April 2018 14:17 CEST | Update | https://www.mdpi.com/2075-4450/9/2/49/xml |
| article xml file uploaded | 25 April 2018 14:17 CEST | Original file | - |
