| article html file updated | 31 August 2025 12:27 CEST | Update | https://www.mdpi.com/1422-0067/21/4/1504 |
| article html file updated | 20 July 2022 20:57 CEST | Update | N/A |
| article html file updated | 7 March 2020 17:32 CET | Update | N/A |
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| article html file updated | 22 February 2020 10:46 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2020 10:44 CET | Version of Record | https://www.mdpi.com/1422-0067/21/4/1504/pdf |
| article xml uploaded. | 22 February 2020 10:44 CET | Update | https://www.mdpi.com/1422-0067/21/4/1504/xml |
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