| article html file updated | 6 February 2020 09:18 CET | Update | https://www.mdpi.com/2075-1729/4/2/217 |
| article html file updated | 20 September 2019 08:23 CEST | Update | N/A |
| article html file updated | 7 May 2019 14:27 CEST | Update | N/A |
| article html file updated | 21 March 2019 17:10 CET | Update | N/A |
| article html file updated | 20 August 2015 07:15 CEST | Update | N/A |
| article html file updated | 26 August 2014 04:22 CEST | Update | N/A |
| article xml file uploaded | 26 August 2014 04:22 CEST | Update | https://www.mdpi.com/2075-1729/4/2/217/xml |
| article html file updated | 14 August 2014 12:06 CEST | Original file | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | N/A |
| article supplementary file uploaded. | 12 June 2014 15:41 CEST | - | https://www.mdpi.com/2075-1729/4/2/217#supplementary |
| article pdf uploaded. | 11 June 2014 11:25 CEST | Updated version of record | https://www.mdpi.com/2075-1729/4/2/217/pdf |
| article supplementary file uploaded. | 16 May 2014 12:32 CEST | - | https://www.mdpi.com/2075-1729/4/2/217#supplementary |
| article pdf uploaded. | 16 May 2014 12:32 CEST | Version of Record | https://www.mdpi.com/2075-1729/4/2/217/pdf-vor |
