| article html file updated | 30 August 2025 00:31 CEST | Update | https://www.mdpi.com/2072-6643/9/3/221 |
| article html file updated | 16 July 2022 05:06 CEST | Update | N/A |
| article html file updated | 8 February 2020 00:32 CET | Update | N/A |
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| article xml uploaded. | 6 March 2017 10:04 CET | Original file | https://www.mdpi.com/2072-6643/9/3/221/xml |
| article pdf uploaded. | 6 March 2017 10:04 CET | Updated version of record | https://www.mdpi.com/2072-6643/9/3/221/pdf |
| article pdf uploaded. | 1 March 2017 10:19 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/221/pdf-vor |
