| article html file updated | 6 February 2020 01:58 CET | Update | https://www.mdpi.com/1422-0067/14/5/9803 |
| article html file updated | 8 May 2019 05:25 CEST | Update | N/A |
| article html file updated | 20 March 2019 22:13 CET | Update | N/A |
| article html file updated | 17 June 2015 09:05 CEST | Update | N/A |
| article html file updated | 25 July 2013 15:10 CEST | Update | N/A |
| article xml file uploaded | 25 July 2013 15:09 CEST | Update | https://www.mdpi.com/1422-0067/14/5/9803/xml |
| article html file updated | 10 June 2013 09:12 CEST | Original file | N/A |
| article xml file uploaded | 10 June 2013 09:11 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2013 15:27 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/5/9803/pdf |
| article pdf uploaded. | 8 May 2013 12:10 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/9803/pdf-vor |