| article html file updated | 30 August 2025 03:32 CEST | Update | https://www.mdpi.com/2075-5309/8/4/60 |
| article html file updated | 16 July 2022 10:48 CEST | Update | - |
| article html file updated | 9 February 2020 14:13 CET | Update | - |
| article html file updated | 2 October 2019 17:16 CEST | Update | - |
| article html file updated | 1 May 2019 02:42 CEST | Update | - |
| article html file updated | 17 April 2019 03:10 CEST | Update | - |
| article html file updated | 29 March 2019 16:36 CET | Update | - |
| article html file updated | 1 May 2018 10:11 CEST | Update | - |
| article html file updated | 17 April 2018 16:05 CEST | Original file | - |
| article pdf uploaded. | 17 April 2018 16:04 CEST | Version of Record | https://www.mdpi.com/2075-5309/8/4/60/pdf |
| article xml uploaded. | 17 April 2018 16:04 CEST | Update | https://www.mdpi.com/2075-5309/8/4/60/xml |
| article xml file uploaded | 17 April 2018 16:04 CEST | Original file | - |
