| article html file updated | 7 February 2020 22:15 CET | Update | https://www.mdpi.com/1996-1073/10/2/155 |
| article html file updated | 23 September 2019 01:40 CEST | Update | - |
| article html file updated | 4 May 2019 13:33 CEST | Update | - |
| article html file updated | 28 February 2017 10:22 CET | Update | - |
| article html file updated | 26 January 2017 10:56 CET | Original file | - |
| article xml uploaded. | 26 January 2017 10:55 CET | Update | https://www.mdpi.com/1996-1073/10/2/155/xml |
| article xml uploaded. | 26 January 2017 10:55 CET | Original file | - |
| article pdf uploaded. | 26 January 2017 10:55 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/155/pdf |
