| article html file updated | 9 February 2020 02:48 CET | Update | https://www.mdpi.com/2077-1444/9/1/22 |
| article html file updated | 2 May 2019 02:45 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:58 CEST | Update | N/A |
| article html file updated | 28 March 2019 14:59 CET | Update | N/A |
| article html file updated | 1 February 2018 07:46 CET | Update | N/A |
| article html file updated | 12 January 2018 09:41 CET | Original file | N/A |
| article xml uploaded. | 12 January 2018 09:40 CET | Original file | https://www.mdpi.com/2077-1444/9/1/22/xml |
| article pdf uploaded. | 12 January 2018 09:40 CET | Version of Record | https://www.mdpi.com/2077-1444/9/1/22/pdf |
