| article html file updated | 9 February 2020 09:14 CET | Update | https://www.mdpi.com/2075-4442/6/1/26 |
| article html file updated | 1 October 2019 10:22 CEST | Update | - |
| article html file updated | 1 May 2019 13:01 CEST | Update | - |
| article html file updated | 17 April 2019 12:42 CEST | Update | - |
| article html file updated | 29 March 2019 05:15 CET | Update | - |
| article html file updated | 27 March 2018 15:22 CEST | Update | - |
| article html file updated | 9 March 2018 10:05 CET | Original file | - |
| article xml uploaded. | 9 March 2018 10:03 CET | Update | https://www.mdpi.com/2075-4442/6/1/26/xml |
| article pdf uploaded. | 9 March 2018 10:03 CET | Version of Record | https://www.mdpi.com/2075-4442/6/1/26/pdf |
