| article html file updated | 31 August 2025 10:25 CEST | Update | https://www.mdpi.com/1422-0067/21/3/971 |
| article html file updated | 20 July 2022 18:56 CEST | Update | - |
| article html file updated | 20 February 2020 17:33 CET | Update | - |
| article html file updated | 15 February 2020 06:56 CET | Update | - |
| article html file updated | 1 February 2020 10:31 CET | Original file | - |
| article pdf uploaded. | 1 February 2020 10:30 CET | Version of Record | https://www.mdpi.com/1422-0067/21/3/971/pdf |
| article xml uploaded. | 1 February 2020 10:30 CET | Update | https://www.mdpi.com/1422-0067/21/3/971/xml |
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