| article html file updated | 7 February 2020 18:06 CET | Update | https://www.mdpi.com/2073-4360/8/11/399 |
| article html file updated | 22 September 2019 05:49 CEST | Update | - |
| article html file updated | 4 May 2019 22:21 CEST | Update | - |
| article html file updated | 15 March 2019 09:08 CET | Update | - |
| article html file updated | 1 December 2016 23:51 CET | Update | - |
| article html file updated | 16 November 2016 11:26 CET | Original file | - |
| article xml uploaded. | 16 November 2016 11:25 CET | Update | https://www.mdpi.com/2073-4360/8/11/399/xml |
| article xml uploaded. | 16 November 2016 11:25 CET | Update | - |
| article xml uploaded. | 16 November 2016 11:25 CET | Original file | - |
| article pdf uploaded. | 16 November 2016 11:25 CET | Version of Record | https://www.mdpi.com/2073-4360/8/11/399/pdf |
