| article html file updated | 6 February 2020 17:31 CET | Update | https://www.mdpi.com/1424-8220/15/4/8444 |
| article html file updated | 6 May 2019 22:13 CEST | Update | - |
| article html file updated | 26 March 2019 00:25 CET | Update | - |
| article html file updated | 21 August 2015 10:16 CEST | Update | - |
| article html file updated | 12 May 2015 12:27 CEST | Original file | - |
| article xml file uploaded | 12 May 2015 12:27 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/8444/xml |
| article pdf uploaded. | 13 April 2015 09:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/4/8444/pdf |
