| article html file updated | 8 February 2020 07:14 CET | Update | https://www.mdpi.com/2072-6651/9/6/184 |
| article html file updated | 25 September 2019 03:00 CEST | Update | - |
| article html file updated | 3 May 2019 19:26 CEST | Update | - |
| article html file updated | 28 June 2017 14:59 CEST | Update | - |
| article html file updated | 2 June 2017 08:59 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 08:58 CEST | Original file | https://www.mdpi.com/2072-6651/9/6/184/xml |
| article pdf uploaded. | 2 June 2017 08:58 CEST | Updated version of record | https://www.mdpi.com/2072-6651/9/6/184/pdf |
| article pdf uploaded. | 1 June 2017 14:39 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/6/184/pdf-vor |
