| article html file updated | 31 August 2025 07:40 CEST | Update | https://www.mdpi.com/1422-0067/21/1/223 |
| article html file updated | 19 July 2022 20:38 CEST | Update | - |
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| article xml uploaded. | 16 March 2020 02:13 CET | Update | https://www.mdpi.com/1422-0067/21/1/223/xml |
| article pdf uploaded. | 16 March 2020 02:13 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/223/pdf |
| article html file updated | 14 February 2020 22:19 CET | Update | - |
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| article html file updated | 28 December 2019 10:06 CET | Original file | - |
| article pdf uploaded. | 28 December 2019 10:04 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/223/pdf-vor |
| article xml uploaded. | 28 December 2019 10:04 CET | Update | - |
| article xml file uploaded | 28 December 2019 10:04 CET | Original file | - |
