| article html file updated | 9 February 2020 11:46 CET | Update | https://www.mdpi.com/2076-3417/8/4/521 |
| article html file updated | 2 October 2019 02:19 CEST | Update | - |
| article html file updated | 1 May 2019 07:38 CEST | Update | - |
| article html file updated | 17 April 2019 07:37 CEST | Update | - |
| article html file updated | 29 March 2019 10:58 CET | Update | - |
| article html file updated | 2 May 2018 15:15 CEST | Update | - |
| article html file updated | 1 May 2018 14:28 CEST | Update | - |
| article html file updated | 23 April 2018 10:14 CEST | Update | - |
| article xml uploaded. | 23 April 2018 10:12 CEST | Update | https://www.mdpi.com/2076-3417/8/4/521/xml |
| article pdf uploaded. | 23 April 2018 10:12 CEST | Updated version of record | https://www.mdpi.com/2076-3417/8/4/521/pdf |
| article html file updated | 29 March 2018 17:03 CEST | Original file | - |
| article pdf uploaded. | 29 March 2018 17:01 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/521/pdf-vor |
