| article html file updated | 9 February 2020 19:05 CET | Update | https://www.mdpi.com/2077-1444/9/6/172 |
| article html file updated | 30 April 2019 16:34 CEST | Update | - |
| article html file updated | 16 April 2019 17:02 CEST | Update | - |
| article html file updated | 30 March 2019 04:44 CET | Update | - |
| article html file updated | 25 June 2018 12:41 CEST | Update | - |
| article html file updated | 25 May 2018 15:00 CEST | Original file | - |
| article pdf uploaded. | 25 May 2018 14:59 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/6/172/pdf |
| article xml uploaded. | 25 May 2018 14:59 CEST | Update | https://www.mdpi.com/2077-1444/9/6/172/xml |
| article xml file uploaded | 25 May 2018 14:59 CEST | Original file | - |
