| article html file updated | 6 February 2020 20:30 CET | Update | https://www.mdpi.com/1999-4923/7/3/106 |
| article html file updated | 6 May 2019 16:06 CEST | Update | - |
| article html file updated | 26 March 2019 06:15 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Original file | https://www.mdpi.com/1999-4923/7/3/106/xml |
| article html file updated | 21 August 2015 14:39 CEST | Original file | - |
| article pdf uploaded. | 9 July 2015 15:15 CEST | Version of Record | https://www.mdpi.com/1999-4923/7/3/106/pdf |
