| article html file updated | 9 February 2020 12:45 CET | Update | https://www.mdpi.com/2076-3417/8/4/568 |
| article html file updated | 2 October 2019 08:12 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:38 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:47 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:14 CET | Update | N/A |
| article html file updated | 2 May 2018 14:59 CEST | Update | N/A |
| article html file updated | 6 April 2018 06:05 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2018 06:04 CEST | Update | https://www.mdpi.com/2076-3417/8/4/568/xml |
| article pdf uploaded. | 6 April 2018 06:04 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/568/pdf |
