| article html file updated | 6 February 2020 00:07 CET | Update | https://www.mdpi.com/1422-0067/14/1/1978 |
| article html file updated | 8 May 2019 09:32 CEST | Update | - |
| article html file updated | 20 March 2019 17:32 CET | Update | - |
| article html file updated | 17 June 2015 05:39 CEST | Update | - |
| article html file updated | 8 February 2013 12:55 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:54 CET | Original file | https://www.mdpi.com/1422-0067/14/1/1978/xml |
| article pdf uploaded. | 24 January 2013 09:09 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/1/1978/pdf |
| article supplementary file uploaded. | 21 January 2013 10:47 CET | - | https://www.mdpi.com/1422-0067/14/1/1978#supplementary |
| article pdf uploaded. | 21 January 2013 10:46 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/1978/pdf-vor |
