| article html file updated | 30 August 2025 06:55 CEST | Update | https://www.mdpi.com/1999-4893/11/9/138 |
| article html file updated | 17 July 2022 02:42 CEST | Update | - |
| article html file updated | 10 February 2020 10:50 CET | Update | - |
| article html file updated | 7 October 2019 20:23 CEST | Update | - |
| article html file updated | 29 April 2019 05:55 CEST | Update | - |
| article html file updated | 15 April 2019 01:31 CEST | Update | - |
| article html file updated | 31 March 2019 18:39 CEST | Update | - |
| article html file updated | 25 September 2018 11:31 CEST | Update | - |
| article html file updated | 14 September 2018 13:11 CEST | Original file | - |
| article pdf uploaded. | 14 September 2018 13:01 CEST | Updated version of record | https://www.mdpi.com/1999-4893/11/9/138/pdf |
| article xml uploaded. | 14 September 2018 13:01 CEST | Update | https://www.mdpi.com/1999-4893/11/9/138/xml |
| article xml file uploaded | 14 September 2018 13:01 CEST | Update | - |
| article pdf uploaded. | 13 September 2018 16:32 CEST | Updated version of record | https://www.mdpi.com/1999-4893/11/9/138/pdf-vor |
| article pdf uploaded. | 13 September 2018 16:20 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/9/138/pdf-vor |
| article xml file uploaded | 13 September 2018 16:20 CEST | Original file | - |
