| article html file updated | 30 August 2025 01:06 CEST | Update | https://www.mdpi.com/2079-4991/7/9/251 |
| article html file updated | 16 July 2022 06:09 CEST | Update | N/A |
| article html file updated | 8 February 2020 15:08 CET | Update | N/A |
| article html file updated | 26 September 2019 21:47 CEST | Update | N/A |
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| article html file updated | 5 September 2017 11:09 CEST | Update | N/A |
| article xml uploaded. | 5 September 2017 11:07 CEST | Update | https://www.mdpi.com/2079-4991/7/9/251/xml |
| article pdf uploaded. | 5 September 2017 11:07 CEST | Updated version of record | https://www.mdpi.com/2079-4991/7/9/251/pdf |
| article html file updated | 4 September 2017 03:31 CEST | Original file | N/A |
| article xml uploaded. | 4 September 2017 03:30 CEST | Original file | N/A |
| article pdf uploaded. | 4 September 2017 03:30 CEST | Updated version of record | https://www.mdpi.com/2079-4991/7/9/251/pdf-vor |
| article pdf uploaded. | 1 September 2017 14:54 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/9/251/pdf-vor |
