| article html file updated | 31 August 2025 01:15 CEST | Update | https://www.mdpi.com/2218-273X/9/9/473 |
| article html file updated | 20 July 2022 03:39 CEST | Update | N/A |
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| article html file updated | 26 September 2019 18:55 CEST | Update | N/A |
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| article html file updated | 17 September 2019 05:43 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2019 05:42 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/9/473/pdf |
| article xml uploaded. | 17 September 2019 05:42 CEST | Update | https://www.mdpi.com/2218-273X/9/9/473/xml |
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| article pdf uploaded. | 10 September 2019 16:23 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/9/473/pdf-vor |
| article xml file uploaded | 10 September 2019 16:23 CEST | Original file | N/A |