| article html file updated | 8 February 2020 06:06 CET | Update | https://www.mdpi.com/2072-6651/9/5/168 |
| article html file updated | 24 September 2019 21:08 CEST | Update | - |
| article html file updated | 3 May 2019 21:35 CEST | Update | - |
| article html file updated | 1 June 2017 12:09 CEST | Update | - |
| article html file updated | 22 May 2017 04:26 CEST | Update | - |
| article html file updated | 17 May 2017 16:32 CEST | Original file | - |
| article xml uploaded. | 17 May 2017 16:31 CEST | Original file | https://www.mdpi.com/2072-6651/9/5/168/xml |
| article pdf uploaded. | 17 May 2017 16:31 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/5/168/pdf |
