| article html file updated | 9 February 2020 12:28 CET | Update | https://www.mdpi.com/2075-4701/8/4/237 |
| article html file updated | 2 October 2019 06:30 CEST | Update | - |
| article html file updated | 1 May 2019 06:13 CEST | Update | - |
| article html file updated | 17 April 2019 06:19 CEST | Update | - |
| article html file updated | 29 March 2019 12:34 CET | Update | - |
| article html file updated | 1 May 2018 07:38 CEST | Update | - |
| article html file updated | 1 May 2018 07:38 CEST | Update | - |
| article html file updated | 4 April 2018 10:09 CEST | Original file | - |
| article pdf uploaded. | 4 April 2018 10:07 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/237/pdf |
| article xml uploaded. | 4 April 2018 10:07 CEST | Update | https://www.mdpi.com/2075-4701/8/4/237/xml |
| article xml file uploaded | 4 April 2018 10:07 CEST | Original file | - |
