| article html file updated | 1 September 2025 03:31 CEST | Update | https://www.mdpi.com/2218-6581/9/3/56 |
| article html file updated | 22 July 2022 00:46 CEST | Update | - |
| article html file updated | 21 July 2020 13:41 CEST | Update | - |
| article pdf uploaded. | 21 July 2020 13:39 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/3/56/pdf |
| article xml uploaded. | 21 July 2020 13:39 CEST | Update | https://www.mdpi.com/2218-6581/9/3/56/xml |
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| article html file updated | 21 July 2020 13:33 CEST | Update | - |
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| article pdf uploaded. | 21 July 2020 13:32 CEST | Updated version of record | - |
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| article html file updated | 21 July 2020 13:30 CEST | Update | - |
| article pdf uploaded. | 21 July 2020 13:28 CEST | Updated version of record | - |
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| article html file updated | 21 July 2020 12:17 CEST | Update | - |
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| article html file updated | 21 July 2020 11:46 CEST | Original file | - |
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