| article html file updated | 30 August 2025 00:53 CEST | Update | https://www.mdpi.com/2073-8994/9/8/147 |
| article html file updated | 16 July 2022 05:43 CEST | Update | - |
| article html file updated | 8 February 2020 12:55 CET | Update | - |
| article html file updated | 26 September 2019 09:30 CEST | Update | - |
| article html file updated | 3 May 2019 08:11 CEST | Update | - |
| article html file updated | 27 March 2019 19:32 CET | Update | - |
| article html file updated | 30 August 2017 09:51 CEST | Update | - |
| article html file updated | 7 August 2017 07:44 CEST | Original file | - |
| article xml uploaded. | 7 August 2017 07:42 CEST | Original file | https://www.mdpi.com/2073-8994/9/8/147/xml |
| article pdf uploaded. | 7 August 2017 07:42 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/8/147/pdf |
| article pdf uploaded. | 6 August 2017 09:14 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/8/147/pdf-vor |
