| article html file updated | 6 February 2020 21:55 CET | Update | https://www.mdpi.com/2072-6651/7/8/3309 |
| article html file updated | 6 May 2019 13:10 CEST | Update | - |
| article html file updated | 26 March 2019 09:04 CET | Update | - |
| article html file updated | 27 August 2015 08:56 CEST | Original file | - |
| article xml file uploaded | 27 August 2015 08:56 CEST | Original file | https://www.mdpi.com/2072-6651/7/8/3309/xml |
| article pdf uploaded. | 20 August 2015 09:53 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/8/3309/pdf |
