| article html file updated | 6 February 2020 08:08 CET | Update | https://new.mdpi.com/1660-3397/12/3/1690 |
| article html file updated | 7 May 2019 16:52 CEST | Update | - |
| article html file updated | 21 March 2019 14:24 CET | Update | - |
| article html file updated | 20 August 2015 00:52 CEST | Update | - |
| article html file updated | 28 April 2014 10:54 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:53 CEST | Original file | https://new.mdpi.com/1660-3397/12/3/1690/xml |
| article pdf uploaded. | 24 March 2014 14:16 CET | Version of Record | https://new.mdpi.com/1660-3397/12/3/1690/pdf |
