| article html file updated | 8 February 2020 09:42 CET | Update | https://www.mdpi.com/2072-6643/9/7/684 |
| article html file updated | 25 September 2019 15:58 CEST | Update | - |
| article html file updated | 3 May 2019 14:48 CEST | Update | - |
| article html file updated | 2 August 2017 04:05 CEST | Update | - |
| article html file updated | 30 June 2017 16:17 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 16:16 CEST | Original file | https://www.mdpi.com/2072-6643/9/7/684/xml |
| article pdf uploaded. | 30 June 2017 16:16 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/7/684/pdf |
| article pdf uploaded. | 30 June 2017 12:33 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/684/pdf-vor |
