| article html file updated | 24 December 2025 17:41 CET | Update | https://www.mdpi.com/2306-5354/7/1/21 |
| article html file updated | 31 August 2025 12:27 CEST | Update | N/A |
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| article pdf uploaded. | 24 February 2020 05:34 CET | Updated version of record | https://www.mdpi.com/2306-5354/7/1/21/pdf |
| article xml uploaded. | 24 February 2020 05:34 CET | Update | https://www.mdpi.com/2306-5354/7/1/21/xml |
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| article html file updated | 22 February 2020 11:13 CET | Original file | N/A |
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| article xml uploaded. | 22 February 2020 11:12 CET | Update | N/A |
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