| article html file updated | 30 August 2025 10:19 CEST | Update | https://www.mdpi.com/1996-1073/12/1/49 |
| article html file updated | 17 July 2022 18:36 CEST | Update | - |
| article html file updated | 11 February 2020 05:09 CET | Update | - |
| article html file updated | 12 October 2019 11:09 CEST | Update | - |
| article html file updated | 27 April 2019 14:55 CEST | Update | - |
| article html file updated | 13 April 2019 10:49 CEST | Update | - |
| article html file updated | 2 April 2019 18:24 CEST | Update | - |
| article html file updated | 16 January 2019 05:08 CET | Update | - |
| article html file updated | 3 January 2019 09:56 CET | Update | - |
| article pdf uploaded. | 3 January 2019 09:55 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/49/pdf |
| article xml uploaded. | 3 January 2019 09:55 CET | Update | https://www.mdpi.com/1996-1073/12/1/49/xml |
| article xml file uploaded | 3 January 2019 09:55 CET | Update | - |
| article html file updated | 2 January 2019 02:33 CET | Update | - |
| article xml uploaded. | 2 January 2019 02:32 CET | Update | - |
| article pdf uploaded. | 2 January 2019 02:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/49/pdf-vor |
| article xml file uploaded | 2 January 2019 02:32 CET | Update | - |
| article html file updated | 27 December 2018 15:03 CET | Update | - |
| article pdf uploaded. | 27 December 2018 15:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/49/pdf-vor |
| article xml uploaded. | 27 December 2018 15:01 CET | Update | - |
| article xml file uploaded | 27 December 2018 15:01 CET | Update | - |
| article html file updated | 25 December 2018 15:57 CET | Update | - |
| article pdf uploaded. | 25 December 2018 15:55 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/49/pdf-vor |
| article xml uploaded. | 25 December 2018 15:55 CET | Update | - |
| article xml file uploaded | 25 December 2018 15:55 CET | Update | - |
| article html file updated | 24 December 2018 15:24 CET | Original file | - |
| article pdf uploaded. | 24 December 2018 15:23 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/49/pdf-vor |
| article xml uploaded. | 24 December 2018 15:23 CET | Update | - |
| article xml file uploaded | 24 December 2018 15:23 CET | Original file | - |
