| article html file updated | 31 August 2025 08:14 CEST | Update | https://www.mdpi.com/2304-8158/9/1/52 |
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| article pdf uploaded. | 22 January 2020 03:09 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/1/52/pdf |
| article xml uploaded. | 22 January 2020 03:09 CET | Update | https://www.mdpi.com/2304-8158/9/1/52/xml |
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| article supplementary file uploaded. | 5 January 2020 10:30 CET | - | https://www.mdpi.com/2304-8158/9/1/52#supplementary |
| article pdf uploaded. | 5 January 2020 10:30 CET | Version of Record | https://www.mdpi.com/2304-8158/9/1/52/pdf-vor |
| article xml file uploaded | 5 January 2020 10:30 CET | Original file | - |
