| article html file updated | 29 August 2025 21:12 CEST | Update | https://www.mdpi.com/2218-1989/4/3/680 |
| article html file updated | 15 July 2022 23:19 CEST | Update | - |
| article html file updated | 6 February 2020 11:37 CET | Update | - |
| article html file updated | 7 May 2019 09:25 CEST | Update | - |
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| article html file updated | 11 October 2014 03:20 CEST | Update | - |
| article xml file uploaded | 11 October 2014 03:20 CEST | Update | https://www.mdpi.com/2218-1989/4/3/680/xml |
| article html file updated | 29 September 2014 08:55 CEST | Original file | - |
| article xml file uploaded | 29 September 2014 08:55 CEST | Original file | - |
| article pdf uploaded. | 22 August 2014 09:25 CEST | Updated version of record | https://www.mdpi.com/2218-1989/4/3/680/pdf |
| article pdf uploaded. | 21 August 2014 15:26 CEST | Updated version of record | https://www.mdpi.com/2218-1989/4/3/680/pdf-vor |
| article pdf uploaded. | 21 August 2014 14:57 CEST | Updated version of record | https://www.mdpi.com/2218-1989/4/3/680/pdf-vor |
| article supplementary file uploaded. | 20 August 2014 11:58 CEST | - | https://www.mdpi.com/2218-1989/4/3/680#supplementary |
| article pdf uploaded. | 20 August 2014 11:57 CEST | Version of Record | https://www.mdpi.com/2218-1989/4/3/680/pdf-vor |
