| article html file updated | 9 February 2020 14:48 CET | Update | https://www.mdpi.com/1999-4907/9/4/223 |
| article html file updated | 2 October 2019 20:35 CEST | Update | - |
| article html file updated | 1 May 2019 01:35 CEST | Update | - |
| article html file updated | 17 April 2019 02:10 CEST | Update | - |
| article html file updated | 29 March 2019 17:57 CET | Update | - |
| article html file updated | 1 May 2018 11:41 CEST | Update | - |
| article html file updated | 21 April 2018 12:56 CEST | Original file | - |
| article pdf uploaded. | 21 April 2018 12:55 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/4/223/pdf |
| article xml uploaded. | 21 April 2018 12:55 CEST | Update | https://www.mdpi.com/1999-4907/9/4/223/xml |
| article xml file uploaded | 21 April 2018 12:55 CEST | Original file | - |
