| article html file updated | 6 February 2020 09:11 CET | Update | https://www.mdpi.com/1660-3397/12/5/2731 |
| article html file updated | 7 May 2019 14:42 CEST | Update | - |
| article html file updated | 21 March 2019 16:52 CET | Update | - |
| article html file updated | 20 August 2015 06:31 CEST | Update | - |
| article html file updated | 11 June 2014 07:44 CEST | Original file | - |
| article xml file uploaded | 11 June 2014 07:44 CEST | Original file | https://www.mdpi.com/1660-3397/12/5/2731/xml |
| article pdf uploaded. | 12 May 2014 13:21 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/5/2731/pdf |
