| article html file updated | 29 August 2025 23:57 CEST | Update | https://www.mdpi.com/1996-1073/9/12/980 |
| article html file updated | 16 July 2022 03:58 CEST | Update | - |
| article html file updated | 7 February 2020 18:35 CET | Update | - |
| article html file updated | 22 September 2019 06:53 CEST | Update | - |
| article html file updated | 4 May 2019 21:24 CEST | Update | - |
| article html file updated | 28 December 2016 08:47 CET | Update | - |
| article html file updated | 15 December 2016 03:04 CET | Update | - |
| article xml uploaded. | 15 December 2016 03:03 CET | Update | https://www.mdpi.com/1996-1073/9/12/980/xml |
| article pdf uploaded. | 15 December 2016 03:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/12/980/pdf |
| article html file updated | 25 November 2016 08:35 CET | Original file | - |
| article xml uploaded. | 25 November 2016 08:33 CET | Update | - |
| article xml uploaded. | 25 November 2016 08:33 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 08:33 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/980/pdf-vor |
