| article html file updated | 9 February 2020 13:19 CET | Update | https://www.mdpi.com/2077-1444/9/4/123 |
| article html file updated | 1 May 2019 04:29 CEST | Update | - |
| article html file updated | 17 April 2019 04:46 CEST | Update | - |
| article html file updated | 29 March 2019 14:32 CET | Update | - |
| article html file updated | 1 May 2018 05:19 CEST | Update | - |
| article html file updated | 11 April 2018 06:52 CEST | Original file | - |
| article xml uploaded. | 11 April 2018 06:51 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/123/xml |
| article pdf uploaded. | 11 April 2018 06:51 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/123/pdf |
