| article html file updated | 6 February 2020 20:13 CET | Update | https://www.mdpi.com/1660-3397/13/7/4137 |
| article html file updated | 6 May 2019 16:42 CEST | Update | - |
| article html file updated | 26 March 2019 05:42 CET | Update | - |
| article html file updated | 21 August 2015 14:18 CEST | Update | - |
| article html file updated | 27 July 2015 12:52 CEST | Original file | - |
| article xml file uploaded | 27 July 2015 12:52 CEST | Original file | https://www.mdpi.com/1660-3397/13/7/4137/xml |
| article pdf uploaded. | 30 June 2015 15:12 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/7/4137/pdf |
