| article html file updated | 6 February 2020 21:17 CET | Update | https://www.mdpi.com/1660-3397/13/8/4721 |
| article html file updated | 6 May 2019 14:33 CEST | Update | - |
| article html file updated | 26 March 2019 07:48 CET | Update | - |
| article html file updated | 2 September 2015 06:12 CEST | Update | - |
| article xml file uploaded | 2 September 2015 06:12 CEST | Original file | https://www.mdpi.com/1660-3397/13/8/4721/xml |
| article html file updated | 21 August 2015 15:21 CEST | Original file | - |
| article pdf uploaded. | 31 July 2015 11:32 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/8/4721/pdf |
