| article html file updated | 8 February 2020 09:42 CET | Update | https://www.mdpi.com/2072-6643/9/7/680 |
| article html file updated | 25 September 2019 16:00 CEST | Update | - |
| article html file updated | 3 May 2019 14:47 CEST | Update | - |
| article html file updated | 2 August 2017 04:04 CEST | Update | - |
| article html file updated | 30 June 2017 15:16 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 15:14 CEST | Update | https://www.mdpi.com/2072-6643/9/7/680/xml |
| article pdf uploaded. | 30 June 2017 15:14 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/680/pdf |
