| article html file updated | 12 August 2026 23:35 CEST | Update | https://www.mdpi.com/1999-4915/6/4/1637 |
| article html file updated | 6 February 2020 08:27 CET | Update | N/A |
| article html file updated | 7 May 2019 16:12 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:10 CET | Update | N/A |
| article html file updated | 20 August 2015 02:29 CEST | Update | N/A |
| article html file updated | 12 May 2014 15:35 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2014 15:35 CEST | Original file | https://www.mdpi.com/1999-4915/6/4/1637/xml |
| article pdf uploaded. | 11 April 2014 15:35 CEST | Updated version of record | https://www.mdpi.com/1999-4915/6/4/1637/pdf |
| article supplementary file uploaded. | 9 April 2014 08:54 CEST | - | https://www.mdpi.com/1999-4915/6/4/1637#supplementary |
| article pdf uploaded. | 9 April 2014 08:54 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/4/1637/pdf-vor |
