| article html file updated | 9 February 2020 13:41 CET | Update | https://www.mdpi.com/2077-1444/9/4/127 |
| article html file updated | 1 May 2019 03:46 CEST | Update | - |
| article html file updated | 17 April 2019 04:08 CEST | Update | - |
| article html file updated | 29 March 2019 15:21 CET | Update | - |
| article html file updated | 1 May 2018 05:19 CEST | Update | - |
| article html file updated | 13 April 2018 16:23 CEST | Original file | - |
| article xml uploaded. | 13 April 2018 16:22 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/127/xml |
| article pdf uploaded. | 13 April 2018 16:22 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/127/pdf |
