| article html file updated | 30 August 2025 03:35 CEST | Update | https://www.mdpi.com/2225-1146/6/2/22 |
| article html file updated | 21 August 2025 20:00 CEST | Update | - |
| article html file updated | 16 July 2022 10:53 CEST | Update | - |
| article html file updated | 9 February 2020 14:36 CET | Update | - |
| article html file updated | 2 October 2019 19:24 CEST | Update | - |
| article html file updated | 1 May 2019 01:58 CEST | Update | - |
| article html file updated | 17 April 2019 02:32 CEST | Update | - |
| article html file updated | 29 March 2019 17:28 CET | Update | - |
| article html file updated | 26 June 2018 04:59 CEST | Update | - |
| article html file updated | 24 April 2018 07:11 CEST | Update | - |
| article xml uploaded. | 24 April 2018 07:10 CEST | Update | https://www.mdpi.com/2225-1146/6/2/22/xml |
| article pdf uploaded. | 24 April 2018 07:10 CEST | Updated version of record | https://www.mdpi.com/2225-1146/6/2/22/pdf |
| article html file updated | 20 April 2018 08:31 CEST | Original file | - |
| article pdf uploaded. | 20 April 2018 08:30 CEST | Version of Record | https://www.mdpi.com/2225-1146/6/2/22/pdf-vor |
| article xml file uploaded | 20 April 2018 08:30 CEST | Original file | - |
