| article html file updated | 29 August 2025 22:16 CEST | Update | https://www.mdpi.com/2075-4701/5/4/1997 |
| article html file updated | 20 August 2025 22:04 CEST | Update | N/A |
| article html file updated | 16 July 2022 01:08 CEST | Update | N/A |
| article html file updated | 7 February 2020 00:18 CET | Update | N/A |
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| article html file updated | 26 March 2019 13:32 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2015 11:11 CET | Version of Record | https://www.mdpi.com/2075-4701/5/4/1997/pdf |
