| article html file updated | 9 February 2020 00:24 CET | Update | https://www.mdpi.com/2079-6439/5/4/48 |
| article html file updated | 29 September 2019 07:10 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:51 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:41 CEST | Update | N/A |
| article html file updated | 2 January 2018 11:35 CET | Update | N/A |
| article html file updated | 18 December 2017 14:08 CET | Original file | N/A |
| article xml uploaded. | 18 December 2017 14:07 CET | Update | https://www.mdpi.com/2079-6439/5/4/48/xml |
| article xml uploaded. | 18 December 2017 14:07 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2017 14:07 CET | Version of Record | https://www.mdpi.com/2079-6439/5/4/48/pdf |
