| article html file updated | 24 December 2025 15:05 CET | Update | https://www.mdpi.com/2075-4663/7/6/137 |
| article html file updated | 30 August 2025 20:40 CEST | Update | N/A |
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| article html file updated | 3 June 2019 13:52 CEST | Original file | N/A |
| article pdf uploaded. | 3 June 2019 13:51 CEST | Version of Record | https://www.mdpi.com/2075-4663/7/6/137/pdf |
| article xml uploaded. | 3 June 2019 13:51 CEST | Update | https://www.mdpi.com/2075-4663/7/6/137/xml |
| article xml file uploaded | 3 June 2019 13:51 CEST | Original file | N/A |
