| article html file updated | 12 February 2020 09:57 CET | Update | https://www.mdpi.com/2073-4344/9/5/421 |
| article html file updated | 19 October 2019 13:20 CEST | Update | - |
| article html file updated | 5 June 2019 15:54 CEST | Update | - |
| article html file updated | 5 May 2019 12:00 CEST | Original file | - |
| article pdf uploaded. | 5 May 2019 11:59 CEST | Version of Record | https://www.mdpi.com/2073-4344/9/5/421/pdf |
| article xml uploaded. | 5 May 2019 11:59 CEST | Update | https://www.mdpi.com/2073-4344/9/5/421/xml |
| article xml file uploaded | 5 May 2019 11:59 CEST | Original file | - |
