| article html file updated | 6 February 2020 20:32 CET | Update | https://www.mdpi.com/1660-3397/13/7/4270 |
| article html file updated | 6 May 2019 16:01 CEST | Update | - |
| article html file updated | 26 March 2019 06:21 CET | Update | - |
| article html file updated | 21 August 2015 14:41 CEST | Update | - |
| article html file updated | 27 July 2015 12:53 CEST | Original file | - |
| article xml file uploaded | 27 July 2015 12:53 CEST | Original file | https://www.mdpi.com/1660-3397/13/7/4270/xml |
| article pdf uploaded. | 10 July 2015 15:22 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/7/4270/pdf |
