| article html file updated | 31 August 2025 06:59 CEST | Update | https://www.mdpi.com/1422-0067/21/1/33 |
| article html file updated | 19 July 2022 21:17 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:07 CET | Update | N/A |
| article html file updated | 16 January 2020 07:45 CET | Update | N/A |
| article html file updated | 19 December 2019 12:47 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2019 12:46 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/33/pdf |
| article xml uploaded. | 19 December 2019 12:46 CET | Update | https://www.mdpi.com/1422-0067/21/1/33/xml |
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