| article html file updated | 30 August 2025 02:29 CEST | Update | https://www.mdpi.com/1996-1073/11/2/337 |
| article html file updated | 16 July 2022 09:00 CEST | Update | N/A |
| article html file updated | 9 February 2020 05:20 CET | Update | N/A |
| article html file updated | 30 September 2019 11:30 CEST | Update | N/A |
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| article html file updated | 14 March 2018 15:48 CET | Update | N/A |
| article html file updated | 6 February 2018 05:03 CET | Update | N/A |
| article xml uploaded. | 6 February 2018 05:01 CET | Update | https://www.mdpi.com/1996-1073/11/2/337/xml |
| article xml uploaded. | 6 February 2018 05:01 CET | Update | N/A |
| article xml uploaded. | 6 February 2018 05:01 CET | Update | N/A |
| article pdf uploaded. | 6 February 2018 05:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/337/pdf |
| article html file updated | 2 February 2018 11:31 CET | Original file | N/A |
| article xml uploaded. | 2 February 2018 11:14 CET | Update | N/A |
| article pdf uploaded. | 2 February 2018 11:14 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/337/pdf-vor |
| article xml uploaded. | 2 February 2018 11:14 CET | Original file | N/A |