| article html file updated | 29 August 2025 21:19 CEST | Update | https://www.mdpi.com/2304-6740/2/4/620 |
| article html file updated | 15 July 2022 23:32 CEST | Update | - |
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| article supplementary file uploaded. | 22 December 2014 12:03 CET | - | https://www.mdpi.com/2304-6740/2/4/620#supplementary |
| article pdf uploaded. | 6 November 2014 13:54 CET | Version of Record | https://www.mdpi.com/2304-6740/2/4/620/pdf |
