| article html file updated | 6 February 2020 21:47 CET | Update | https://www.mdpi.com/1660-4601/12/8/9639 |
| article html file updated | 6 May 2019 13:29 CEST | Update | - |
| article html file updated | 26 March 2019 08:46 CET | Update | - |
| article html file updated | 1 September 2015 08:43 CEST | Original file | - |
| article xml file uploaded | 1 September 2015 08:43 CEST | Original file | https://www.mdpi.com/1660-4601/12/8/9639/xml |
| article pdf uploaded. | 17 August 2015 08:26 CEST | Updated version of record | https://www.mdpi.com/1660-4601/12/8/9639/pdf |
| article pdf uploaded. | 14 August 2015 13:37 CEST | Version of Record | https://www.mdpi.com/1660-4601/12/8/9639/pdf-vor |
