| article html file updated | 31 August 2025 07:25 CEST | Update | https://www.mdpi.com/2076-3921/9/1/20 |
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| article pdf uploaded. | 31 December 2019 10:09 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/20/pdf |
| article xml uploaded. | 31 December 2019 10:09 CET | Update | https://www.mdpi.com/2076-3921/9/1/20/xml |
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| article supplementary file uploaded. | 24 December 2019 15:40 CET | - | https://www.mdpi.com/2076-3921/9/1/20#supplementary |
| article pdf uploaded. | 24 December 2019 15:40 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/20/pdf-vor |
| article xml file uploaded | 24 December 2019 15:40 CET | Original file | - |
