| article html file updated | 29 August 2025 21:05 CEST | Update | https://www.mdpi.com/2073-445X/3/2/460 |
| article html file updated | 15 July 2022 23:06 CEST | Update | N/A |
| article html file updated | 6 February 2020 09:43 CET | Update | N/A |
| article html file updated | 7 May 2019 13:36 CEST | Update | N/A |
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| article html file updated | 20 August 2015 09:03 CEST | Update | N/A |
| article html file updated | 1 September 2014 11:20 CEST | Original file | N/A |
| article xml file uploaded | 1 September 2014 11:20 CEST | Original file | https://www.mdpi.com/2073-445X/3/2/460/xml |
| article pdf uploaded. | 6 June 2014 11:52 CEST | Updated version of record | https://www.mdpi.com/2073-445X/3/2/460/pdf |
| article pdf uploaded. | 5 June 2014 09:38 CEST | Version of Record | https://www.mdpi.com/2073-445X/3/2/460/pdf-vor |
