| article html file updated | 9 February 2020 02:24 CET | Update | https://www.mdpi.com/2073-4425/9/1/22 |
| article html file updated | 2 May 2019 03:36 CEST | Update | - |
| article html file updated | 18 April 2019 01:44 CEST | Update | - |
| article html file updated | 28 March 2019 14:03 CET | Update | - |
| article html file updated | 1 February 2018 07:55 CET | Update | - |
| article html file updated | 9 January 2018 09:15 CET | Original file | - |
| article xml uploaded. | 9 January 2018 09:14 CET | Original file | https://www.mdpi.com/2073-4425/9/1/22/xml |
| article pdf uploaded. | 9 January 2018 09:14 CET | Version of Record | https://www.mdpi.com/2073-4425/9/1/22/pdf |
