| article html file updated | 6 February 2020 17:52 CET | Update | https://www.mdpi.com/1424-8220/15/4/9305 |
| article html file updated | 6 May 2019 21:32 CEST | Update | - |
| article html file updated | 26 March 2019 01:02 CET | Update | - |
| article html file updated | 21 August 2015 10:55 CEST | Update | - |
| article html file updated | 12 May 2015 12:31 CEST | Original file | - |
| article xml file uploaded | 12 May 2015 12:31 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/9305/xml |
| article pdf uploaded. | 23 April 2015 08:34 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/4/9305/pdf |
| article pdf uploaded. | 21 April 2015 13:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/4/9305/pdf-vor |
