| article html file updated | 9 February 2020 12:50 CET | Update | https://www.mdpi.com/2073-4441/10/4/438 |
| article html file updated | 2 October 2019 08:47 CEST | Update | - |
| article html file updated | 1 May 2019 05:26 CEST | Update | - |
| article html file updated | 17 April 2019 05:37 CEST | Update | - |
| article html file updated | 29 March 2019 13:26 CET | Update | - |
| article html file updated | 1 May 2018 06:19 CEST | Update | - |
| article html file updated | 23 April 2018 06:54 CEST | Update | - |
| article xml uploaded. | 23 April 2018 06:53 CEST | Update | https://www.mdpi.com/2073-4441/10/4/438/xml |
| article pdf uploaded. | 23 April 2018 06:53 CEST | Updated version of record | https://www.mdpi.com/2073-4441/10/4/438/pdf |
| article html file updated | 7 April 2018 05:57 CEST | Original file | - |
| article pdf uploaded. | 7 April 2018 05:56 CEST | Version of Record | https://www.mdpi.com/2073-4441/10/4/438/pdf-vor |