| article html file updated | 17 August 2026 14:59 CEST | Update | https://www.mdpi.com/2304-8158/9/6/778 |
| article html file updated | 31 August 2025 23:23 CEST | Update | N/A |
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| article html file updated | 18 June 2020 13:50 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2020 13:49 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/778/pdf |
| article xml uploaded. | 18 June 2020 13:49 CEST | Update | https://www.mdpi.com/2304-8158/9/6/778/xml |
| article xml file uploaded | 18 June 2020 13:49 CEST | Original file | N/A |
| article pdf uploaded. | 11 June 2020 16:23 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/778/pdf-vor |
| article pdf uploaded. | 11 June 2020 16:23 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/778/pdf-vor |
