| article html file updated | 30 August 2025 06:55 CEST | Update | https://www.mdpi.com/2073-4409/7/9/137 |
| 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 20:21 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 18:38 CEST | Update | - |
| article html file updated | 26 September 2018 09:36 CEST | Update | - |
| article html file updated | 13 September 2018 17:33 CEST | Original file | - |
| article pdf uploaded. | 13 September 2018 17:32 CEST | Updated version of record | https://www.mdpi.com/2073-4409/7/9/137/pdf |
| article xml uploaded. | 13 September 2018 17:32 CEST | Update | https://www.mdpi.com/2073-4409/7/9/137/xml |
| article xml file uploaded | 13 September 2018 17:32 CEST | Update | - |
| article pdf uploaded. | 13 September 2018 16:16 CEST | Updated version of record | - |
| article pdf uploaded. | 13 September 2018 16:08 CEST | Version of Record | - |
| article xml file uploaded | 13 September 2018 16:08 CEST | Original file | - |
