| article html file updated | 9 February 2020 11:25 CET | Update | https://www.mdpi.com/2079-6439/6/2/18 |
| article html file updated | 2 October 2019 00:21 CEST | Update | - |
| article html file updated | 1 May 2019 08:23 CEST | Update | - |
| article html file updated | 17 April 2019 08:19 CEST | Update | - |
| article html file updated | 29 March 2019 10:10 CET | Update | - |
| article html file updated | 28 June 2018 03:24 CEST | Update | - |
| article html file updated | 27 March 2018 10:35 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 10:33 CEST | Original file | https://www.mdpi.com/2079-6439/6/2/18/xml |
| article pdf uploaded. | 27 March 2018 10:33 CEST | Version of Record | https://www.mdpi.com/2079-6439/6/2/18/pdf |
