| article html file updated | 9 February 2020 12:44 CET | Update | https://www.mdpi.com/2077-1312/6/2/36 |
| article html file updated | 2 October 2019 08:06 CEST | Update | - |
| article html file updated | 1 May 2019 05:40 CEST | Update | - |
| article html file updated | 17 April 2019 05:49 CEST | Update | - |
| article html file updated | 29 March 2019 13:11 CET | Update | - |
| article html file updated | 28 June 2018 08:59 CEST | Update | - |
| article html file updated | 11 April 2018 10:03 CEST | Update | - |
| article xml uploaded. | 11 April 2018 10:02 CEST | Update | https://www.mdpi.com/2077-1312/6/2/36/xml |
| article pdf uploaded. | 11 April 2018 10:02 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/2/36/pdf |
| article html file updated | 5 April 2018 18:12 CEST | Original file | - |
