| article html file updated | 7 February 2020 09:51 CET | Update | https://www.mdpi.com/2072-6643/8/6/348 |
| article html file updated | 5 May 2019 13:32 CEST | Update | - |
| article html file updated | 27 March 2019 06:54 CET | Update | - |
| article html file updated | 29 June 2016 03:11 CEST | Update | - |
| article html file updated | 7 June 2016 10:53 CEST | Original file | - |
| article xml uploaded. | 7 June 2016 10:52 CEST | Original file | https://www.mdpi.com/2072-6643/8/6/348/xml |
| article pdf uploaded. | 7 June 2016 10:52 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/6/348/pdf |
