| article html file updated | 1 September 2025 00:20 CEST | Update | https://www.mdpi.com/2304-8158/9/6/818 |
| article html file updated | 21 July 2022 21:35 CEST | Update | - |
| article html file updated | 6 July 2020 06:50 CEST | Update | - |
| article html file updated | 22 June 2020 06:08 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 06:07 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/818/pdf |
| article xml uploaded. | 22 June 2020 06:07 CEST | Update | https://www.mdpi.com/2304-8158/9/6/818/xml |
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