| article html file updated | 9 February 2020 05:11 CET | Update | https://www.mdpi.com/1996-1073/11/2/313 |
| article html file updated | 30 September 2019 10:34 CEST | Update | - |
| article html file updated | 1 May 2019 21:43 CEST | Update | - |
| article html file updated | 17 April 2019 20:33 CEST | Update | - |
| article html file updated | 28 March 2019 20:12 CET | Update | - |
| article html file updated | 14 March 2018 15:39 CET | Update | - |
| article html file updated | 1 February 2018 16:07 CET | Original file | - |
| article xml uploaded. | 1 February 2018 12:01 CET | Update | https://www.mdpi.com/1996-1073/11/2/313/xml |
| article xml uploaded. | 1 February 2018 12:01 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 12:01 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/313/pdf |
