| article html file updated | 6 February 2020 20:02 CET | Update | https://www.mdpi.com/1996-1944/8/7/3864 |
| article html file updated | 6 May 2019 17:03 CEST | Update | - |
| article html file updated | 26 March 2019 05:23 CET | Update | - |
| article html file updated | 21 August 2015 14:06 CEST | Update | - |
| article html file updated | 10 August 2015 12:33 CEST | Original file | - |
| article xml file uploaded | 10 August 2015 12:33 CEST | Original file | https://www.mdpi.com/1996-1944/8/7/3864/xml |
| article pdf uploaded. | 25 June 2015 10:56 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/7/3864/pdf |
