| article html file updated | 30 August 2025 10:48 CEST | Update | https://www.mdpi.com/2227-7390/7/1/68 |
| article html file updated | 17 July 2022 21:57 CEST | Update | - |
| article html file updated | 11 February 2020 07:45 CET | Update | - |
| article html file updated | 13 October 2019 02:37 CEST | Update | - |
| article html file updated | 27 April 2019 09:11 CEST | Update | - |
| article html file updated | 13 April 2019 05:10 CEST | Update | - |
| article html file updated | 3 April 2019 00:35 CEST | Update | - |
| article html file updated | 29 January 2019 06:56 CET | Update | - |
| article html file updated | 15 January 2019 01:52 CET | Original file | - |
| article pdf uploaded. | 14 January 2019 07:07 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/68/pdf |
| article xml uploaded. | 14 January 2019 07:07 CET | Update | https://www.mdpi.com/2227-7390/7/1/68/xml |
| article xml file uploaded | 14 January 2019 07:07 CET | Update | - |
| article pdf uploaded. | 9 January 2019 16:06 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/68/pdf-vor |
| article pdf uploaded. | 9 January 2019 16:04 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/68/pdf-vor |
| article pdf uploaded. | 9 January 2019 15:57 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/68/pdf-vor |
| article xml file uploaded | 9 January 2019 15:57 CET | Original file | - |
