| article html file updated | 31 August 2025 05:48 CEST | Update | https://www.mdpi.com/2075-4418/9/4/213 |
| article html file updated | 19 July 2022 22:26 CEST | Update | - |
| article html file updated | 14 February 2020 16:08 CET | Update | - |
| article html file updated | 30 December 2019 11:16 CET | Update | - |
| article html file updated | 5 December 2019 11:20 CET | Original file | - |
| article pdf uploaded. | 5 December 2019 11:18 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/213/pdf |
| article xml uploaded. | 5 December 2019 11:18 CET | Update | https://www.mdpi.com/2075-4418/9/4/213/xml |
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