| article html file updated | 6 February 2020 04:05 CET | Update | https://www.mdpi.com/1660-3397/11/9/3324 |
| article html file updated | 8 May 2019 01:03 CEST | Update | N/A |
| article html file updated | 21 March 2019 03:53 CET | Update | N/A |
| article html file updated | 17 June 2015 12:47 CEST | Update | N/A |
| article html file updated | 25 October 2013 09:42 CEST | Original file | N/A |
| article xml file uploaded | 25 October 2013 09:41 CEST | Original file | https://www.mdpi.com/1660-3397/11/9/3324/xml |
| article pdf uploaded. | 30 August 2013 11:42 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/9/3324/pdf |
