| article html file updated | 30 August 2025 00:29 CEST | Update | https://www.mdpi.com/1999-4907/8/3/55 |
| article html file updated | 21 August 2025 19:16 CEST | Update | N/A |
| article html file updated | 8 February 2020 00:10 CET | Update | N/A |
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| article html file updated | 9 March 2017 02:23 CET | Original file | N/A |
| article xml uploaded. | 9 March 2017 02:22 CET | Original file | https://www.mdpi.com/1999-4907/8/3/55/xml |
| article pdf uploaded. | 9 March 2017 02:22 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/3/55/pdf |
| article pdf uploaded. | 24 February 2017 10:27 CET | Version of Record | https://www.mdpi.com/1999-4907/8/3/55/pdf-vor |
