| article html file updated | 8 February 2020 06:42 CET | Update | https://www.mdpi.com/1996-1073/10/6/747 |
| article html file updated | 25 September 2019 00:18 CEST | Update | - |
| article html file updated | 3 May 2019 20:25 CEST | Update | - |
| article html file updated | 27 June 2017 10:06 CEST | Update | - |
| article html file updated | 26 May 2017 09:59 CEST | Original file | - |
| article xml uploaded. | 26 May 2017 09:58 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/747/xml |
| article pdf uploaded. | 26 May 2017 09:58 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/747/pdf |
| article pdf uploaded. | 25 May 2017 14:47 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/747/pdf-vor |
