| article html file updated | 30 August 2025 00:11 CEST | Update | https://www.mdpi.com/2072-4292/9/1/52 |
| article html file updated | 16 July 2022 04:26 CEST | Update | N/A |
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| article html file updated | 11 January 2017 11:28 CET | Original file | N/A |
| article xml uploaded. | 11 January 2017 11:27 CET | Update | https://www.mdpi.com/2072-4292/9/1/52/xml |
| article xml uploaded. | 11 January 2017 11:27 CET | Update | N/A |
| article xml uploaded. | 11 January 2017 11:26 CET | Update | N/A |
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| article xml uploaded. | 11 January 2017 11:26 CET | Update | N/A |
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| article xml uploaded. | 11 January 2017 11:25 CET | Update | N/A |
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| article xml uploaded. | 11 January 2017 11:24 CET | Update | N/A |
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| article pdf uploaded. | 11 January 2017 11:23 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/1/52/pdf |
| article pdf uploaded. | 8 January 2017 13:25 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/52/pdf-vor |
