| article html file updated | 14 August 2026 19:16 CEST | Update | https://www.mdpi.com/1999-4907/8/11/452 |
| article html file updated | 8 February 2020 21:30 CET | Update | N/A |
| article html file updated | 28 September 2019 13:30 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:19 CEST | Update | N/A |
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| article html file updated | 30 November 2017 16:08 CET | Update | N/A |
| article html file updated | 18 November 2017 10:43 CET | Original file | N/A |
| article xml uploaded. | 18 November 2017 10:42 CET | Original file | https://www.mdpi.com/1999-4907/8/11/452/xml |
| article pdf uploaded. | 18 November 2017 10:42 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/11/452/pdf |
| article pdf uploaded. | 17 November 2017 14:34 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/452/pdf-vor |
