| article html file updated | 30 August 2025 05:40 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1981 |
| article html file updated | 17 July 2022 00:03 CEST | Update | - |
| article html file updated | 10 February 2020 03:39 CET | Update | - |
| article html file updated | 29 April 2019 21:46 CEST | Update | - |
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| article html file updated | 31 March 2019 01:59 CET | Update | - |
| article html file updated | 28 August 2018 03:47 CEST | Update | - |
| article html file updated | 1 August 2018 00:31 CEST | Original file | - |
| article pdf uploaded. | 31 July 2018 08:52 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/1981/pdf |
| article xml uploaded. | 31 July 2018 08:52 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1981/xml |
| article xml file uploaded | 31 July 2018 08:51 CEST | Update | - |
| article pdf uploaded. | 30 July 2018 17:40 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/1981/pdf-vor |
| article pdf uploaded. | 30 July 2018 16:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/1981/pdf-vor |
| article xml file uploaded | 30 July 2018 16:38 CEST | Original file | - |
