| article html file updated | 6 February 2020 06:47 CET | Update | https://www.mdpi.com/1422-0067/15/1/1189 |
| article html file updated | 7 May 2019 19:42 CEST | Update | N/A |
| article html file updated | 21 March 2019 11:09 CET | Update | N/A |
| article html file updated | 19 August 2015 17:42 CEST | Update | N/A |
| article html file updated | 3 February 2014 10:56 CET | Original file | N/A |
| article xml file uploaded | 3 February 2014 10:56 CET | Original file | https://www.mdpi.com/1422-0067/15/1/1189/xml |
| article pdf uploaded. | 21 January 2014 16:31 CET | Updated version of record | https://www.mdpi.com/1422-0067/15/1/1189/pdf |
| article pdf uploaded. | 17 January 2014 13:13 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/1189/pdf-vor |
