| article html file updated | 12 February 2026 07:44 CET | Update | https://www.mdpi.com/2075-4450/5/1/199 |
| article xml uploaded. | 6 February 2026 11:55 CET | Update | https://www.mdpi.com/2075-4450/5/1/199/xml |
| article xml uploaded. | 6 February 2026 11:55 CET | Update | N/A |
| article xml uploaded. | 6 February 2026 07:30 CET | Update | N/A |
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| article html file updated | 29 August 2025 20:55 CEST | Update | N/A |
| article html file updated | 15 July 2022 22:49 CEST | Update | N/A |
| article html file updated | 6 February 2020 06:51 CET | Update | N/A |
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| article html file updated | 19 August 2015 18:17 CEST | Update | N/A |
| article html file updated | 11 July 2014 12:54 CEST | Original file | N/A |
| article xml file uploaded | 11 July 2014 12:53 CEST | Original file | N/A |
| article pdf uploaded. | 22 January 2014 17:29 CET | Updated version of record | https://www.mdpi.com/2075-4450/5/1/199/pdf |
| article pdf uploaded. | 21 January 2014 14:39 CET | Version of Record | https://www.mdpi.com/2075-4450/5/1/199/pdf-vor |
