| article html file updated | 7 February 2020 11:36 CET | Update | https://www.mdpi.com/2072-6651/8/7/218 |
| article html file updated | 5 May 2019 10:20 CEST | Update | - |
| article html file updated | 27 March 2019 10:05 CET | Update | - |
| article html file updated | 28 July 2016 09:54 CEST | Update | - |
| article html file updated | 13 July 2016 08:15 CEST | Original file | - |
| article xml uploaded. | 13 July 2016 08:13 CEST | Original file | https://www.mdpi.com/2072-6651/8/7/218/xml |
| article pdf uploaded. | 13 July 2016 08:13 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/7/218/pdf |
