| article html file updated | 9 February 2020 14:18 CET | Update | https://www.mdpi.com/1999-4893/11/4/51 |
| article html file updated | 2 October 2019 17:44 CEST | Update | - |
| article html file updated | 1 May 2019 02:32 CEST | Update | - |
| article html file updated | 17 April 2019 03:01 CEST | Update | - |
| article html file updated | 29 March 2019 16:48 CET | Update | - |
| article html file updated | 1 May 2018 05:46 CEST | Update | - |
| article html file updated | 18 April 2018 10:58 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 10:57 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/4/51/pdf |
| article xml uploaded. | 18 April 2018 10:57 CEST | Update | https://www.mdpi.com/1999-4893/11/4/51/xml |
| article xml file uploaded | 18 April 2018 10:57 CEST | Original file | - |
