| article html file updated | 6 February 2020 10:29 CET | Update | https://www.mdpi.com/2218-1989/4/3/532 |
| article html file updated | 7 May 2019 12:04 CEST | Update | N/A |
| article html file updated | 21 March 2019 20:15 CET | Update | N/A |
| article html file updated | 20 August 2015 11:55 CEST | Update | N/A |
| article html file updated | 11 October 2014 03:20 CEST | Original file | N/A |
| article xml file uploaded | 11 October 2014 03:20 CEST | Original file | https://www.mdpi.com/2218-1989/4/3/532/xml |
| article supplementary file uploaded. | 10 October 2014 09:27 CEST | - | https://www.mdpi.com/2218-1989/4/3/532#supplementary |
| article pdf uploaded. | 4 July 2014 14:12 CEST | Version of Record | https://www.mdpi.com/2218-1989/4/3/532/pdf |
