| article html file updated | 31 August 2025 07:41 CEST | Update | https://www.mdpi.com/1996-1073/13/1/156 |
| article html file updated | 19 July 2022 20:37 CEST | Update | - |
| article html file updated | 14 February 2020 22:22 CET | Update | - |
| article html file updated | 16 January 2020 11:59 CET | Original file | - |
| article pdf uploaded. | 5 January 2020 15:05 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/156/pdf |
| article xml file uploaded | 5 January 2020 15:05 CET | Update | https://www.mdpi.com/1996-1073/13/1/156/xml |
| article pdf uploaded. | 5 January 2020 15:04 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/156/pdf-vor |
| article xml file uploaded | 5 January 2020 15:04 CET | Update | - |
| article pdf uploaded. | 5 January 2020 15:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/156/pdf-vor |
| article xml file uploaded | 5 January 2020 15:03 CET | Update | - |
| article pdf uploaded. | 28 December 2019 11:05 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/156/pdf-vor |
| article xml file uploaded | 28 December 2019 11:05 CET | Original file | - |