| article html file updated | 8 February 2020 05:45 CET | Update | https://www.mdpi.com/1996-1073/10/5/687 |
| article html file updated | 24 September 2019 19:21 CEST | Update | - |
| article html file updated | 3 May 2019 22:16 CEST | Update | - |
| article html file updated | 27 May 2017 03:18 CEST | Update | - |
| article html file updated | 23 May 2017 04:09 CEST | Update | - |
| article html file updated | 19 May 2017 06:42 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 06:41 CEST | Update | https://www.mdpi.com/1996-1073/10/5/687/xml |
| article pdf uploaded. | 19 May 2017 06:41 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/5/687/pdf |
| article pdf uploaded. | 12 May 2017 14:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/687/pdf-vor |
