| article html file updated | 31 August 2025 17:18 CEST | Update | https://www.mdpi.com/2304-8158/9/4/489 |
| article html file updated | 21 July 2022 01:46 CEST | Update | - |
| article html file updated | 23 April 2020 15:21 CEST | Original file | - |
| article pdf uploaded. | 23 April 2020 15:19 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/489/pdf |
| article xml uploaded. | 23 April 2020 15:19 CEST | Update | https://www.mdpi.com/2304-8158/9/4/489/xml |
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| article pdf uploaded. | 13 April 2020 15:46 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/489/pdf-vor |
| article xml file uploaded | 13 April 2020 15:46 CEST | Update | - |
| article pdf uploaded. | 13 April 2020 15:46 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/489/pdf-vor |
| article xml file uploaded | 13 April 2020 15:46 CEST | Original file | - |
