| article html file updated | 9 February 2020 14:48 CET | Update | https://www.mdpi.com/2077-0472/8/4/61 |
| article html file updated | 2 October 2019 20:38 CEST | Update | - |
| article html file updated | 1 May 2019 01:34 CEST | Update | - |
| article html file updated | 17 April 2019 02:09 CEST | Update | - |
| article html file updated | 29 March 2019 17:58 CET | Update | - |
| article html file updated | 1 May 2018 10:35 CEST | Update | - |
| article html file updated | 22 April 2018 06:31 CEST | Original file | - |
| article pdf uploaded. | 22 April 2018 06:30 CEST | Version of Record | https://www.mdpi.com/2077-0472/8/4/61/pdf |
| article xml uploaded. | 22 April 2018 06:30 CEST | Update | https://www.mdpi.com/2077-0472/8/4/61/xml |
| article xml file uploaded | 22 April 2018 06:30 CEST | Original file | - |
