| article html file updated | 9 February 2020 12:16 CET | Update | https://www.mdpi.com/2076-3417/8/4/544 |
| article html file updated | 2 October 2019 05:24 CEST | Update | - |
| article html file updated | 1 May 2019 06:37 CEST | Update | - |
| article html file updated | 17 April 2019 06:41 CEST | Update | - |
| article html file updated | 29 March 2019 12:07 CET | Update | - |
| article html file updated | 2 May 2018 15:07 CEST | Update | - |
| article html file updated | 3 April 2018 13:29 CEST | Update | - |
| article html file updated | 2 April 2018 23:54 CEST | Original file | - |
| article xml uploaded. | 2 April 2018 16:19 CEST | Update | https://www.mdpi.com/2076-3417/8/4/544/xml |
| article pdf uploaded. | 2 April 2018 16:19 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/544/pdf |