| article html file updated | 17 August 2026 00:41 CEST | Update | https://www.mdpi.com/1911-8074/13/2/20 |
| article html file updated | 31 August 2025 09:39 CEST | Update | N/A |
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| article html file updated | 15 February 2020 05:12 CET | Update | N/A |
| article html file updated | 26 January 2020 12:45 CET | Original file | N/A |
| article pdf uploaded. | 26 January 2020 12:43 CET | Updated version of record | https://www.mdpi.com/1911-8074/13/2/20/pdf |
| article xml uploaded. | 26 January 2020 12:43 CET | Update | https://www.mdpi.com/1911-8074/13/2/20/xml |
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| article supplementary file uploaded. | 21 January 2020 17:16 CET | - | https://www.mdpi.com/1911-8074/13/2/20#supplementary |
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| article xml file uploaded | 21 January 2020 17:16 CET | Original file | N/A |
