| article html file updated | 7 February 2020 03:28 CET | Update | https://www.mdpi.com/2073-4360/8/1/17 |
| article html file updated | 21 September 2019 09:43 CEST | Update | - |
| article html file updated | 6 May 2019 02:30 CEST | Update | - |
| article html file updated | 26 March 2019 18:32 CET | Update | - |
| article html file updated | 15 March 2019 08:10 CET | Original file | - |
| article pdf uploaded. | 15 January 2016 11:03 CET | Version of Record | https://www.mdpi.com/2073-4360/8/1/17/pdf |
| article xml uploaded. | 15 January 2016 11:03 CET | Original file | https://www.mdpi.com/2073-4360/8/1/17/xml |
