| article html file updated | 9 February 2020 10:18 CET | Update | https://www.mdpi.com/2077-1312/6/1/27 |
| article html file updated | 1 October 2019 17:57 CEST | Update | - |
| article html file updated | 1 May 2019 10:47 CEST | Update | - |
| article html file updated | 17 April 2019 10:37 CEST | Update | - |
| article html file updated | 29 March 2019 07:33 CET | Update | - |
| article html file updated | 27 March 2018 15:49 CEST | Update | - |
| article html file updated | 19 March 2018 03:00 CET | Original file | - |
| article xml uploaded. | 19 March 2018 02:59 CET | Update | https://www.mdpi.com/2077-1312/6/1/27/xml |
| article pdf uploaded. | 19 March 2018 02:59 CET | Version of Record | https://www.mdpi.com/2077-1312/6/1/27/pdf |
