| article html file updated | 30 August 2025 04:23 CEST | Update | https://www.mdpi.com/2075-4698/8/2/39 |
| article html file updated | 16 July 2022 21:18 CEST | Update | - |
| article html file updated | 9 February 2020 20:42 CET | Update | - |
| article html file updated | 4 October 2019 09:34 CEST | Update | - |
| article html file updated | 30 April 2019 12:46 CEST | Update | - |
| article html file updated | 16 April 2019 13:10 CEST | Update | - |
| article html file updated | 16 April 2019 07:48 CEST | Update | - |
| article html file updated | 30 March 2019 08:50 CET | Update | - |
| article html file updated | 27 June 2018 09:41 CEST | Update | - |
| article html file updated | 8 June 2018 06:03 CEST | Original file | - |
| article pdf uploaded. | 8 June 2018 06:02 CEST | Version of Record | https://www.mdpi.com/2075-4698/8/2/39/pdf |
| article xml uploaded. | 8 June 2018 06:02 CEST | Update | https://www.mdpi.com/2075-4698/8/2/39/xml |
| article xml file uploaded | 8 June 2018 06:02 CEST | Original file | - |
