| article html file updated | 6 February 2020 18:15 CET | Update | https://www.mdpi.com/2227-7382/3/2/56 |
| article html file updated | 6 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 26 March 2019 01:49 CET | Update | N/A |
| article html file updated | 18 October 2016 11:15 CEST | Update | N/A |
| article html file updated | 21 August 2015 11:29 CEST | Update | N/A |
| article html file updated | 30 June 2015 03:11 CEST | Original file | N/A |
| article xml file uploaded | 30 June 2015 03:11 CEST | Original file | https://www.mdpi.com/2227-7382/3/2/56/xml |
| article pdf uploaded. | 4 May 2015 15:20 CEST | Updated version of record | https://www.mdpi.com/2227-7382/3/2/56/pdf |
| article supplementary file uploaded. | 30 April 2015 15:09 CEST | - | https://www.mdpi.com/2227-7382/3/2/56#supplementary |
| article pdf uploaded. | 30 April 2015 15:09 CEST | Version of Record | https://www.mdpi.com/2227-7382/3/2/56/pdf-vor |
