| article html file updated | 9 February 2020 11:53 CET | Update | https://www.mdpi.com/2077-1444/9/4/102 |
| article html file updated | 1 May 2019 07:23 CEST | Update | - |
| article html file updated | 17 April 2019 07:23 CEST | Update | - |
| article html file updated | 29 March 2019 11:14 CET | Update | - |
| article html file updated | 1 May 2018 05:18 CEST | Update | - |
| article html file updated | 30 March 2018 08:45 CEST | Original file | - |
| article xml uploaded. | 30 March 2018 08:44 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/102/xml |
| article pdf uploaded. | 30 March 2018 08:44 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/102/pdf |
