| article html file updated | 5 February 2020 15:25 CET | Update | https://www.mdpi.com/1999-4923/2/3/300 |
| article html file updated | 9 May 2019 04:29 CEST | Update | - |
| article html file updated | 20 March 2019 02:54 CET | Update | - |
| article html file updated | 16 June 2015 11:41 CEST | Update | - |
| article html file updated | 28 April 2014 11:03 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 11:03 CEST | Original file | https://www.mdpi.com/1999-4923/2/3/300/xml |
