| article html file updated | 29 August 2025 23:33 CEST | Update | https://www.mdpi.com/1999-4907/7/9/191 |
| article html file updated | 16 July 2022 03:13 CEST | Update | N/A |
| article html file updated | 7 February 2020 14:03 CET | Update | N/A |
| article html file updated | 5 May 2019 05:48 CEST | Update | N/A |
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| article html file updated | 28 September 2016 07:17 CEST | Update | N/A |
| article html file updated | 29 August 2016 14:46 CEST | Original file | N/A |
| article xml uploaded. | 29 August 2016 14:45 CEST | Update | https://www.mdpi.com/1999-4907/7/9/191/xml |
| article xml uploaded. | 29 August 2016 14:45 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2016 14:45 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/9/191/pdf |
