| article html file updated | 30 August 2025 07:46 CEST | Update | https://www.mdpi.com/1996-1944/11/10/1969 |
| article html file updated | 17 July 2022 04:50 CEST | Update | N/A |
| article html file updated | 10 February 2020 15:40 CET | Update | N/A |
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| article html file updated | 29 October 2018 11:28 CET | Update | N/A |
| article html file updated | 16 October 2018 08:48 CEST | Update | N/A |
| article pdf uploaded. | 16 October 2018 08:47 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/10/1969/pdf |
| article xml uploaded. | 16 October 2018 08:47 CEST | Update | https://www.mdpi.com/1996-1944/11/10/1969/xml |
| article xml file uploaded | 16 October 2018 08:47 CEST | Update | N/A |
| article html file updated | 13 October 2018 09:19 CEST | Original file | N/A |
| article pdf uploaded. | 13 October 2018 09:19 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/10/1969/pdf-vor |
| article xml uploaded. | 13 October 2018 09:19 CEST | Update | N/A |
| article xml file uploaded | 13 October 2018 09:19 CEST | Original file | N/A |
