| article html file updated | 6 February 2020 11:47 CET | Update | https://www.mdpi.com/2072-6643/6/9/3353 |
| article html file updated | 7 May 2019 09:07 CEST | Update | - |
| article html file updated | 21 March 2019 23:49 CET | Update | - |
| article html file updated | 20 August 2015 16:35 CEST | Update | - |
| article html file updated | 30 September 2014 06:01 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:01 CEST | Original file | https://www.mdpi.com/2072-6643/6/9/3353/xml |
| article pdf uploaded. | 26 August 2014 11:26 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/9/3353/pdf |
