| article html file updated | 9 February 2020 18:42 CET | Update | https://www.mdpi.com/1999-4907/9/6/285 |
| article html file updated | 3 October 2019 21:10 CEST | Update | - |
| article html file updated | 30 April 2019 17:26 CEST | Update | - |
| article html file updated | 16 April 2019 17:52 CEST | Update | - |
| article html file updated | 30 March 2019 03:45 CET | Update | - |
| article html file updated | 26 June 2018 05:25 CEST | Update | - |
| article html file updated | 23 May 2018 10:49 CEST | Original file | - |
| article pdf uploaded. | 23 May 2018 10:47 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/6/285/pdf |
| article xml uploaded. | 23 May 2018 10:47 CEST | Update | https://www.mdpi.com/1999-4907/9/6/285/xml |
| article xml file uploaded | 23 May 2018 10:47 CEST | Original file | - |
