| article html file updated | 8 February 2020 06:06 CET | Update | https://www.mdpi.com/1996-1073/10/5/708 |
| article html file updated | 24 September 2019 21:12 CEST | Update | - |
| article html file updated | 3 May 2019 21:34 CEST | Update | - |
| article html file updated | 27 May 2017 03:21 CEST | Update | - |
| article html file updated | 22 May 2017 04:28 CEST | Update | - |
| article html file updated | 18 May 2017 07:50 CEST | Original file | - |
| article xml uploaded. | 18 May 2017 07:49 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/708/xml |
| article pdf uploaded. | 18 May 2017 07:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/708/pdf |
