| article html file updated | 7 February 2020 21:48 CET | Update | https://www.mdpi.com/1996-1073/10/1/122 |
| article html file updated | 22 September 2019 23:15 CEST | Update | - |
| article html file updated | 4 May 2019 14:27 CEST | Update | - |
| article html file updated | 7 February 2017 10:06 CET | Update | - |
| article html file updated | 19 January 2017 11:18 CET | Original file | - |
| article xml uploaded. | 19 January 2017 11:16 CET | Update | https://www.mdpi.com/1996-1073/10/1/122/xml |
| article xml uploaded. | 19 January 2017 11:16 CET | Original file | - |
| article pdf uploaded. | 19 January 2017 11:16 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/122/pdf |
