| article html file updated | 30 August 2025 03:28 CEST | Update | https://www.mdpi.com/2076-0817/7/2/39 |
| article html file updated | 21 August 2025 19:57 CEST | Update | - |
| article html file updated | 9 February 2020 13:39 CET | Update | - |
| article html file updated | 2 October 2019 13:56 CEST | Update | - |
| article html file updated | 1 May 2019 03:49 CEST | Update | - |
| article html file updated | 17 April 2019 04:11 CEST | Update | - |
| article html file updated | 29 March 2019 15:17 CET | Update | - |
| article html file updated | 27 June 2018 11:48 CEST | Update | - |
| article html file updated | 13 April 2018 09:06 CEST | Original file | - |
| article pdf uploaded. | 13 April 2018 09:04 CEST | Version of Record | https://www.mdpi.com/2076-0817/7/2/39/pdf |
| article xml uploaded. | 13 April 2018 09:04 CEST | Update | https://www.mdpi.com/2076-0817/7/2/39/xml |
| article xml file uploaded | 13 April 2018 09:04 CEST | Original file | - |
