| article html file updated | 29 August 2025 21:01 CEST | Update | https://www.mdpi.com/2220-9964/3/2/430 |
| article html file updated | 15 July 2022 22:57 CEST | Update | N/A |
| article html file updated | 6 February 2020 08:18 CET | Update | N/A |
| article html file updated | 20 September 2019 07:00 CEST | Update | N/A |
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| article html file updated | 20 August 2015 01:53 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:12 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:11 CEST | Original file | https://www.mdpi.com/2220-9964/3/2/430/xml |
| article pdf uploaded. | 2 April 2014 11:33 CEST | Updated version of record | https://www.mdpi.com/2220-9964/3/2/430/pdf |
| article pdf uploaded. | 1 April 2014 11:41 CEST | Version of Record | https://www.mdpi.com/2220-9964/3/2/430/pdf-vor |
