| article html file updated | 6 February 2020 22:05 CET | Update | https://www.mdpi.com/1660-3397/13/9/5552 |
| article html file updated | 6 May 2019 12:49 CEST | Update | - |
| article html file updated | 26 March 2019 09:22 CET | Update | - |
| article html file updated | 28 September 2015 06:41 CEST | Original file | - |
| article xml file uploaded | 28 September 2015 06:41 CEST | Original file | https://www.mdpi.com/1660-3397/13/9/5552/xml |
| article pdf uploaded. | 25 August 2015 11:35 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/9/5552/pdf |
