| article html file updated | 8 February 2020 10:43 CET | Update | https://www.mdpi.com/2072-6643/9/7/739 |
| article html file updated | 25 September 2019 21:14 CEST | Update | - |
| article html file updated | 3 May 2019 12:54 CEST | Update | - |
| article html file updated | 2 August 2017 04:09 CEST | Update | - |
| article html file updated | 11 July 2017 15:14 CEST | Original file | - |
| article xml uploaded. | 11 July 2017 15:12 CEST | Original file | https://www.mdpi.com/2072-6643/9/7/739/xml |
| article pdf uploaded. | 11 July 2017 15:12 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/7/739/pdf |
