| article html file updated | 8 February 2020 04:27 CET | Update | https://www.mdpi.com/2072-6694/9/5/40 |
| article html file updated | 24 September 2019 12:40 CEST | Update | - |
| article html file updated | 4 May 2019 00:36 CEST | Update | - |
| article html file updated | 31 May 2017 06:26 CEST | Update | - |
| article html file updated | 26 April 2017 15:05 CEST | Original file | - |
| article xml uploaded. | 26 April 2017 15:04 CEST | Original file | https://www.mdpi.com/2072-6694/9/5/40/xml |
| article pdf uploaded. | 26 April 2017 15:04 CEST | Version of Record | https://www.mdpi.com/2072-6694/9/5/40/pdf |
