| article html file updated | 31 August 2025 07:25 CEST | Update | https://www.mdpi.com/1996-1073/13/1/109 |
| article html file updated | 19 July 2022 20:52 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:31 CET | Update | N/A |
| article html file updated | 16 January 2020 10:39 CET | Update | N/A |
| article html file updated | 2 January 2020 01:58 CET | Update | N/A |
| article pdf uploaded. | 2 January 2020 01:56 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/109/pdf |
| article xml uploaded. | 2 January 2020 01:56 CET | Update | https://www.mdpi.com/1996-1073/13/1/109/xml |
| article xml file uploaded | 2 January 2020 01:56 CET | Update | N/A |
| article html file updated | 27 December 2019 11:49 CET | Update | N/A |
| article pdf uploaded. | 27 December 2019 11:48 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/109/pdf-vor |
| article xml uploaded. | 27 December 2019 11:48 CET | Update | N/A |
| article xml file uploaded | 27 December 2019 11:48 CET | Update | N/A |
| article html file updated | 27 December 2019 11:48 CET | Update | N/A |
| article pdf uploaded. | 27 December 2019 11:46 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/109/pdf-vor |
| article xml file uploaded | 27 December 2019 11:46 CET | Update | N/A |
| article html file updated | 27 December 2019 11:44 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2019 11:42 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/109/pdf-vor |
| article xml uploaded. | 27 December 2019 11:42 CET | Update | N/A |
| article xml file uploaded | 27 December 2019 11:42 CET | Update | N/A |
| article pdf uploaded. | 24 December 2019 15:32 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/109/pdf-vor |
| article xml file uploaded | 24 December 2019 15:32 CET | Original file | N/A |