| article html file updated | 30 August 2025 10:04 CEST | Update | https://www.mdpi.com/2073-4433/9/12/503 |
| article html file updated | 17 July 2022 16:36 CEST | Update | - |
| article html file updated | 11 February 2020 03:47 CET | Update | - |
| article html file updated | 12 October 2019 02:44 CEST | Update | - |
| article html file updated | 27 April 2019 17:58 CEST | Update | - |
| article html file updated | 13 April 2019 13:51 CEST | Update | - |
| article html file updated | 2 April 2019 14:54 CEST | Update | - |
| article html file updated | 26 December 2018 08:20 CET | Update | - |
| article html file updated | 18 December 2018 07:35 CET | Original file | - |
| article pdf uploaded. | 18 December 2018 07:34 CET | Version of Record | https://www.mdpi.com/2073-4433/9/12/503/pdf |
| article xml uploaded. | 18 December 2018 07:34 CET | Update | https://www.mdpi.com/2073-4433/9/12/503/xml |
| article xml file uploaded | 18 December 2018 07:34 CET | Original file | - |
