| article html file updated | 8 February 2020 14:23 CET | Update | https://www.mdpi.com/1996-1073/10/9/1261 |
| article html file updated | 3 May 2019 05:20 CEST | Update | - |
| article html file updated | 30 September 2017 08:30 CEST | Update | - |
| article html file updated | 25 August 2017 08:34 CEST | Original file | - |
| article xml uploaded. | 25 August 2017 08:33 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1261/xml |
| article xml uploaded. | 25 August 2017 08:33 CEST | Original file | - |
| article pdf uploaded. | 25 August 2017 08:33 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1261/pdf |
| article pdf uploaded. | 24 August 2017 14:47 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1261/pdf-vor |
