| article html file updated | 14 August 2026 13:53 CEST | Update | https://www.mdpi.com/1996-1073/10/4/537 |
| article html file updated | 8 February 2020 03:42 CET | Update | N/A |
| article html file updated | 24 September 2019 08:26 CEST | Update | N/A |
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| article xml uploaded. | 20 April 2017 09:51 CEST | Update | https://www.mdpi.com/1996-1073/10/4/537/xml |
| article pdf uploaded. | 20 April 2017 09:51 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/537/pdf |
| article html file updated | 16 April 2017 11:42 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2017 11:41 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/537/pdf-vor |
