| article html file updated | 9 February 2020 06:25 CET | Update | https://www.mdpi.com/1996-1073/11/2/422 |
| article html file updated | 30 September 2019 18:05 CEST | Update | - |
| article html file updated | 1 May 2019 18:54 CEST | Update | - |
| article html file updated | 17 April 2019 18:10 CEST | Update | - |
| article html file updated | 28 March 2019 22:52 CET | Update | - |
| article html file updated | 14 March 2018 16:22 CET | Update | - |
| article html file updated | 12 February 2018 11:04 CET | Original file | - |
| article xml uploaded. | 12 February 2018 11:02 CET | Update | https://www.mdpi.com/1996-1073/11/2/422/xml |
| article xml uploaded. | 12 February 2018 11:02 CET | Original file | - |
| article pdf uploaded. | 12 February 2018 11:02 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/422/pdf |
