| article html file updated | 8 February 2020 06:52 CET | Update | https://www.mdpi.com/2072-6651/9/6/178 |
| article html file updated | 25 September 2019 01:11 CEST | Update | - |
| article html file updated | 3 May 2019 20:07 CEST | Update | - |
| article html file updated | 28 June 2017 14:58 CEST | Update | - |
| article html file updated | 27 May 2017 10:00 CEST | Original file | - |
| article xml uploaded. | 27 May 2017 09:59 CEST | Original file | https://www.mdpi.com/2072-6651/9/6/178/xml |
| article pdf uploaded. | 27 May 2017 09:59 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/6/178/pdf |
