| article html file updated | 30 August 2025 00:31 CEST | Update | https://www.mdpi.com/1422-0067/18/3/521 |
| article html file updated | 16 July 2022 05:04 CEST | Update | N/A |
| article html file updated | 8 February 2020 00:26 CET | Update | N/A |
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| article html file updated | 30 March 2017 10:31 CEST | Update | N/A |
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| article xml uploaded. | 3 March 2017 10:57 CET | Update | https://www.mdpi.com/1422-0067/18/3/521/xml |
| article pdf uploaded. | 3 March 2017 10:57 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/521/pdf |
| article html file updated | 28 February 2017 12:31 CET | Original file | N/A |
| article xml uploaded. | 28 February 2017 12:30 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2017 12:30 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/521/pdf-vor |