| article html file updated | 30 August 2025 00:30 CEST | Update | https://www.mdpi.com/1422-0067/18/3/502 |
| article html file updated | 16 July 2022 05:03 CEST | Update | - |
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| article html file updated | 30 March 2017 10:29 CEST | Update | - |
| article html file updated | 25 February 2017 13:25 CET | Original file | - |
| article xml uploaded. | 25 February 2017 13:24 CET | Original file | https://www.mdpi.com/1422-0067/18/3/502/xml |
| article pdf uploaded. | 25 February 2017 13:24 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/502/pdf |
| article pdf uploaded. | 25 February 2017 10:26 CET | Version of Record | - |
