| article html file updated | 6 February 2020 12:27 CET | Update | https://www.mdpi.com/1660-3397/12/9/4898 |
| article html file updated | 20 September 2019 13:14 CEST | Update | - |
| article html file updated | 7 May 2019 07:53 CEST | Update | - |
| article html file updated | 22 March 2019 01:28 CET | Update | - |
| article html file updated | 20 August 2015 20:47 CEST | Update | - |
| article html file updated | 30 September 2014 06:00 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:00 CEST | Original file | https://www.mdpi.com/1660-3397/12/9/4898/xml |
| article pdf uploaded. | 25 September 2014 12:23 CEST | Updated version of record | https://www.mdpi.com/1660-3397/12/9/4898/pdf |
| article pdf uploaded. | 24 September 2014 13:13 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/9/4898/pdf-vor |
