| article html file updated | 14 August 2026 17:14 CEST | Update | https://www.mdpi.com/2072-4292/9/9/922 |
| article html file updated | 8 February 2020 15:15 CET | Update | N/A |
| article html file updated | 26 September 2019 22:27 CEST | Update | N/A |
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| article html file updated | 1 November 2017 05:35 CET | Update | N/A |
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| article xml uploaded. | 5 September 2017 10:29 CEST | Update | https://www.mdpi.com/2072-4292/9/9/922/xml |
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| article pdf uploaded. | 5 September 2017 10:29 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/9/922/pdf |
| article pdf uploaded. | 4 September 2017 12:52 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/9/922/pdf-vor |
