| article html file updated | 6 February 2020 19:15 CET | Update | https://www.mdpi.com/1660-4601/12/6/6249 |
| article html file updated | 6 May 2019 18:40 CEST | Update | N/A |
| article html file updated | 26 March 2019 03:55 CET | Update | N/A |
| article html file updated | 21 August 2015 12:56 CEST | Update | N/A |
| article html file updated | 2 July 2015 06:37 CEST | Original file | N/A |
| article xml file uploaded | 2 July 2015 06:37 CEST | Original file | https://www.mdpi.com/1660-4601/12/6/6249/xml |
| article pdf uploaded. | 2 June 2015 10:10 CEST | Version of Record | https://www.mdpi.com/1660-4601/12/6/6249/pdf |
