| article html file updated | 1 September 2025 06:14 CEST | Update | https://www.mdpi.com/2077-1312/8/9/639 |
| article html file updated | 22 July 2022 04:14 CEST | Update | - |
| article html file updated | 21 August 2020 11:24 CEST | Original file | - |
| article pdf uploaded. | 21 August 2020 11:23 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/9/639/pdf |
| article xml uploaded. | 21 August 2020 11:23 CEST | Update | https://www.mdpi.com/2077-1312/8/9/639/xml |
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| article pdf uploaded. | 20 August 2020 15:02 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/9/639/pdf-vor |
| article pdf uploaded. | 20 August 2020 15:02 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/9/639/pdf-vor |
