| article html file updated | 10 February 2020 18:01 CET | Update | https://www.mdpi.com/2078-1547/9/2/39 |
| article html file updated | 28 April 2019 15:41 CEST | Update | - |
| article html file updated | 14 April 2019 10:49 CEST | Update | - |
| article html file updated | 1 April 2019 12:10 CEST | Update | - |
| article pdf uploaded. | 26 October 2018 07:46 CEST | Version of Record | https://www.mdpi.com/2078-1547/9/2/39/pdf |
| article xml uploaded. | 26 October 2018 07:46 CEST | Update | https://www.mdpi.com/2078-1547/9/2/39/xml |
| article xml file uploaded | 26 October 2018 07:46 CEST | Original file | - |
| article html file updated | 26 October 2018 07:46 CEST | Original file | - |
