| article html file updated | 7 February 2020 21:41 CET | Update | https://www.mdpi.com/2075-4701/7/1/27 |
| article html file updated | 22 September 2019 22:38 CEST | Update | - |
| article html file updated | 4 May 2019 14:42 CEST | Update | - |
| article html file updated | 7 February 2017 09:39 CET | Update | - |
| article html file updated | 18 January 2017 09:38 CET | Original file | - |
| article xml uploaded. | 18 January 2017 09:37 CET | Update | https://www.mdpi.com/2075-4701/7/1/27/xml |
| article xml uploaded. | 18 January 2017 09:37 CET | Original file | - |
| article pdf uploaded. | 18 January 2017 09:37 CET | Version of Record | https://www.mdpi.com/2075-4701/7/1/27/pdf |
