| article html file updated | 31 August 2025 11:25 CEST | Update | https://www.mdpi.com/1422-0067/21/4/1212 |
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| article pdf uploaded. | 19 February 2020 06:47 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/4/1212/pdf |
| article xml uploaded. | 19 February 2020 06:47 CET | Update | https://www.mdpi.com/1422-0067/21/4/1212/xml |
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| article pdf uploaded. | 12 February 2020 09:55 CET | Version of Record | https://www.mdpi.com/1422-0067/21/4/1212/pdf-vor |
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