| article html file updated | 29 August 2025 23:30 CEST | Update | https://www.mdpi.com/1996-1073/9/8/651 |
| article html file updated | 16 July 2022 03:07 CEST | Update | N/A |
| article html file updated | 7 February 2020 13:28 CET | Update | N/A |
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| article xml uploaded. | 18 August 2016 04:48 CEST | Update | https://www.mdpi.com/1996-1073/9/8/651/xml |
| article pdf uploaded. | 18 August 2016 04:48 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/8/651/pdf |
| article html file updated | 17 August 2016 12:17 CEST | Original file | N/A |
| article xml uploaded. | 17 August 2016 12:16 CEST | Update | N/A |
| article xml uploaded. | 17 August 2016 12:16 CEST | Original file | N/A |
| article pdf uploaded. | 17 August 2016 12:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/8/651/pdf-vor |
