| article html file updated | 6 February 2020 19:00 CET | Update | https://www.mdpi.com/1424-8220/15/6/12180 |
| article html file updated | 6 May 2019 19:13 CEST | Update | - |
| article html file updated | 26 March 2019 03:25 CET | Update | - |
| article html file updated | 21 August 2015 12:36 CEST | Update | - |
| article html file updated | 15 July 2015 05:35 CEST | Original file | - |
| article xml file uploaded | 15 July 2015 05:35 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/12180/xml |
| article pdf uploaded. | 28 May 2015 16:02 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/6/12180/pdf |
| article pdf uploaded. | 26 May 2015 13:29 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/12180/pdf-vor |
