| article html file updated | 6 February 2020 19:50 CET | Update | https://www.mdpi.com/1660-3397/13/6/3877 |
| article html file updated | 6 May 2019 17:28 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:01 CET | Update | N/A |
| article html file updated | 21 August 2015 13:49 CEST | Update | N/A |
| article html file updated | 2 July 2015 06:38 CEST | Original file | N/A |
| article xml file uploaded | 2 July 2015 06:38 CEST | Original file | https://www.mdpi.com/1660-3397/13/6/3877/xml |
| article pdf uploaded. | 18 June 2015 12:15 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/6/3877/pdf |
