| article html file updated | 7 February 2020 21:08 CET | Update | https://www.mdpi.com/2072-6651/9/1/27 |
| article html file updated | 22 September 2019 19:44 CEST | Update | - |
| article html file updated | 4 May 2019 16:03 CEST | Update | - |
| article html file updated | 7 February 2017 13:39 CET | Update | - |
| article html file updated | 10 January 2017 14:58 CET | Original file | - |
| article xml uploaded. | 10 January 2017 14:56 CET | Original file | https://www.mdpi.com/2072-6651/9/1/27/xml |
| article pdf uploaded. | 10 January 2017 14:56 CET | Version of Record | https://www.mdpi.com/2072-6651/9/1/27/pdf |
