| article html file updated | 5 February 2020 16:10 CET | Update | https://www.mdpi.com/1999-4923/2/4/389 |
| article html file updated | 9 May 2019 03:03 CEST | Update | N/A |
| article html file updated | 20 March 2019 04:40 CET | Update | N/A |
| article html file updated | 16 June 2015 13:06 CEST | Update | N/A |
| article html file updated | 28 April 2014 11:03 CEST | Original file | N/A |
| article xml file uploaded | 28 April 2014 11:03 CEST | Original file | https://www.mdpi.com/1999-4923/2/4/389/xml |
