| article html file updated | 8 February 2020 23:58 CET | Update | https://www.mdpi.com/2227-9717/5/4/84 |
| article html file updated | 29 September 2019 04:36 CEST | Update | - |
| article html file updated | 2 May 2019 08:48 CEST | Update | - |
| article html file updated | 18 April 2019 06:33 CEST | Update | - |
| article html file updated | 2 January 2018 12:10 CET | Update | - |
| article html file updated | 13 December 2017 14:22 CET | Original file | - |
| article xml uploaded. | 13 December 2017 14:20 CET | Update | https://www.mdpi.com/2227-9717/5/4/84/xml |
| article xml uploaded. | 13 December 2017 14:20 CET | Original file | - |
| article pdf uploaded. | 13 December 2017 14:20 CET | Version of Record | https://www.mdpi.com/2227-9717/5/4/84/pdf |
