| article html file updated | 6 February 2020 20:18 CET | Update | https://www.mdpi.com/1424-8220/15/7/15921 |
| article html file updated | 6 May 2019 16:31 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:53 CET | Update | N/A |
| article html file updated | 21 August 2015 14:26 CEST | Update | N/A |
| article html file updated | 21 August 2015 04:52 CEST | Original file | N/A |
| article xml file uploaded | 21 August 2015 04:52 CEST | Original file | https://www.mdpi.com/1424-8220/15/7/15921/xml |
| article pdf uploaded. | 3 July 2015 10:01 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/7/15921/pdf |
