| article html file updated | 6 February 2020 18:53 CET | Update | https://www.mdpi.com/2072-6651/7/5/1808 |
| article html file updated | 6 May 2019 19:30 CEST | Update | - |
| article html file updated | 26 March 2019 03:11 CET | Update | - |
| article html file updated | 21 August 2015 12:28 CEST | Update | - |
| article html file updated | 29 May 2015 12:04 CEST | Original file | - |
| article xml file uploaded | 29 May 2015 12:04 CEST | Original file | https://www.mdpi.com/2072-6651/7/5/1808/xml |
| article pdf uploaded. | 22 May 2015 05:37 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/5/1808/pdf |
