| article html file updated | 14 August 2026 15:14 CEST | Update | https://www.mdpi.com/1999-4915/9/6/152 |
| article html file updated | 8 February 2020 08:36 CET | Update | N/A |
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| article html file updated | 3 May 2019 16:52 CEST | Update | N/A |
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| article xml uploaded. | 20 June 2017 13:08 CEST | Update | https://www.mdpi.com/1999-4915/9/6/152/xml |
| article pdf uploaded. | 20 June 2017 13:08 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/6/152/pdf |
| article html file updated | 20 June 2017 11:30 CEST | Original file | N/A |
| article pdf uploaded. | 20 June 2017 11:29 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/6/152/pdf-vor |
| article pdf uploaded. | 17 June 2017 12:20 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/6/152/pdf-vor |
