| article html file updated | 5 February 2020 22:56 CET | Update | https://www.mdpi.com/1999-4915/4/11/3162 |
| article html file updated | 8 May 2019 12:22 CEST | Update | - |
| article html file updated | 20 March 2019 14:50 CET | Update | - |
| article html file updated | 17 June 2015 03:56 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1999-4915/4/11/3162/xml |
| article html file updated | 7 February 2013 16:40 CET | Update | - |
| article html file updated | 24 January 2013 08:14 CET | Original file | - |
