| article html file updated | 6 February 2020 06:31 CET | Update | https://new.mdpi.com/2218-1989/4/1/36 |
| article html file updated | 7 May 2019 20:15 CEST | Update | - |
| article html file updated | 21 March 2019 10:22 CET | Update | - |
| article html file updated | 19 August 2015 16:10 CEST | Update | - |
| article html file updated | 24 June 2014 12:21 CEST | Update | - |
| article xml file uploaded | 24 June 2014 12:21 CEST | Update | https://new.mdpi.com/2218-1989/4/1/36/xml |
| article html file updated | 12 May 2014 15:28 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 15:28 CEST | Original file | - |
| article supplementary file uploaded. | 6 May 2014 11:59 CEST | - | https://new.mdpi.com/2218-1989/4/1/36#supplementary |
| article supplementary file uploaded. | 6 May 2014 08:28 CEST | - | https://new.mdpi.com/2218-1989/4/1/36#supplementary |
| article pdf uploaded. | 24 February 2014 17:01 CET | Updated version of record | https://new.mdpi.com/2218-1989/4/1/36/pdf |
| article supplementary file uploaded. | 31 December 2013 13:11 CET | - | https://new.mdpi.com/2218-1989/4/1/36#supplementary |
| article pdf uploaded. | 31 December 2013 13:11 CET | Version of Record | - |
