| article html file updated | 9 February 2020 12:27 CET | Update | https://www.mdpi.com/2076-3417/8/4/554 |
| article html file updated | 2 October 2019 06:28 CEST | Update | - |
| article html file updated | 1 May 2019 06:14 CEST | Update | - |
| article html file updated | 17 April 2019 06:19 CEST | Update | - |
| article html file updated | 29 March 2019 12:33 CET | Update | - |
| article html file updated | 2 May 2018 15:03 CEST | Update | - |
| article html file updated | 4 April 2018 09:48 CEST | Original file | - |
| article xml uploaded. | 4 April 2018 09:41 CEST | Original file | https://www.mdpi.com/2076-3417/8/4/554/xml |
| article pdf uploaded. | 4 April 2018 09:41 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/554/pdf |
