| article html file updated | 9 February 2020 15:00 CET | Update | https://www.mdpi.com/2227-9717/6/5/39 |
| article html file updated | 2 October 2019 21:48 CEST | Update | - |
| article html file updated | 1 May 2019 01:11 CEST | Update | - |
| article html file updated | 17 April 2019 01:47 CEST | Update | - |
| article html file updated | 29 March 2019 18:26 CET | Update | - |
| article html file updated | 30 May 2018 11:38 CEST | Update | - |
| article html file updated | 24 April 2018 05:37 CEST | Original file | - |
| article pdf uploaded. | 24 April 2018 05:35 CEST | Version of Record | https://www.mdpi.com/2227-9717/6/5/39/pdf |
| article xml uploaded. | 24 April 2018 05:35 CEST | Update | https://www.mdpi.com/2227-9717/6/5/39/xml |
| article xml file uploaded | 24 April 2018 05:35 CEST | Original file | - |
