| article html file updated | 30 August 2025 00:38 CEST | Update | https://www.mdpi.com/1999-4907/8/3/84 |
| article html file updated | 16 July 2022 05:19 CEST | Update | N/A |
| article html file updated | 8 February 2020 01:34 CET | Update | N/A |
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| article html file updated | 28 March 2017 03:50 CEST | Update | N/A |
| article html file updated | 17 March 2017 03:34 CET | Original file | N/A |
| article xml uploaded. | 17 March 2017 03:32 CET | Original file | https://www.mdpi.com/1999-4907/8/3/84/xml |
| article pdf uploaded. | 17 March 2017 03:32 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/3/84/pdf |
| article pdf uploaded. | 16 March 2017 12:12 CET | Version of Record | https://www.mdpi.com/1999-4907/8/3/84/pdf-vor |
