| article html file updated | 6 February 2020 01:51 CET | Update | https://www.mdpi.com/1660-3397/11/5/1427 |
| article html file updated | 8 May 2019 05:38 CEST | Update | N/A |
| article html file updated | 20 March 2019 21:56 CET | Update | N/A |
| article html file updated | 17 June 2015 08:56 CEST | Update | N/A |
| article html file updated | 6 August 2013 15:47 CEST | Original file | N/A |
| article xml file uploaded | 6 August 2013 15:47 CEST | Original file | https://www.mdpi.com/1660-3397/11/5/1427/xml |
| article pdf uploaded. | 30 April 2013 09:13 CEST | Updated version of record | https://www.mdpi.com/1660-3397/11/5/1427/pdf |
| article pdf uploaded. | 29 April 2013 16:05 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/5/1427/pdf-vor |
