| article html file updated | 9 February 2020 14:30 CET | Update | https://www.mdpi.com/1999-4907/9/4/216 |
| article html file updated | 2 October 2019 18:49 CEST | Update | - |
| article html file updated | 1 May 2019 02:10 CEST | Update | - |
| article html file updated | 17 April 2019 02:42 CEST | Update | - |
| article html file updated | 29 March 2019 17:14 CET | Update | - |
| article html file updated | 1 May 2018 11:40 CEST | Update | - |
| article html file updated | 19 April 2018 12:09 CEST | Original file | - |
| article supplementary file uploaded. | 19 April 2018 12:08 CEST | - | https://www.mdpi.com/1999-4907/9/4/216#supplementary |
| article pdf uploaded. | 19 April 2018 12:08 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/4/216/pdf |
| article xml uploaded. | 19 April 2018 12:08 CEST | Update | https://www.mdpi.com/1999-4907/9/4/216/xml |
| article xml file uploaded | 19 April 2018 12:08 CEST | Original file | - |