| article html file updated | 6 February 2020 17:01 CET | Update | https://www.mdpi.com/1424-8220/15/4/7434 |
| article html file updated | 6 May 2019 23:04 CEST | Update | N/A |
| article html file updated | 25 March 2019 23:37 CET | Update | N/A |
| article html file updated | 21 August 2015 09:25 CEST | Update | N/A |
| article html file updated | 12 May 2015 12:22 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2015 12:22 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/7434/xml |
| article pdf uploaded. | 26 March 2015 12:23 CET | Version of Record | https://www.mdpi.com/1424-8220/15/4/7434/pdf |
