| article html file updated | 6 February 2020 18:07 CET | Update | https://www.mdpi.com/1424-8220/15/5/9942 |
| article html file updated | 6 May 2019 21:02 CEST | Update | - |
| article html file updated | 26 March 2019 01:34 CET | Update | - |
| article html file updated | 21 August 2015 11:17 CEST | Update | - |
| article html file updated | 1 July 2015 13:14 CEST | Original file | - |
| article xml file uploaded | 1 July 2015 13:14 CEST | Original file | https://www.mdpi.com/1424-8220/15/5/9942/xml |
| article pdf uploaded. | 22 May 2015 09:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/5/9942/pdf |
| article pdf uploaded. | 28 April 2015 12:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/5/9942/pdf-vor |
