| article html file updated | 12 February 2020 02:44 CET | Update | https://www.mdpi.com/1999-4907/10/4/306 |
| article html file updated | 17 October 2019 16:42 CEST | Update | - |
| article html file updated | 8 May 2019 19:45 CEST | Update | - |
| article html file updated | 25 April 2019 17:26 CEST | Update | - |
| article html file updated | 11 April 2019 13:09 CEST | Update | - |
| article html file updated | 10 April 2019 07:50 CEST | Update | - |
| article html file updated | 3 April 2019 11:48 CEST | Original file | - |
| article pdf uploaded. | 3 April 2019 11:47 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/4/306/pdf |
| article xml uploaded. | 3 April 2019 11:47 CEST | Update | https://www.mdpi.com/1999-4907/10/4/306/xml |
| article xml file uploaded | 3 April 2019 11:47 CEST | Original file | - |
