| article html file updated | 6 February 2020 07:06 CET | Update | https://www.mdpi.com/1422-0067/15/2/2255 |
| article html file updated | 7 May 2019 18:58 CEST | Update | N/A |
| article html file updated | 21 March 2019 11:58 CET | Update | N/A |
| article html file updated | 19 August 2015 19:34 CEST | Update | N/A |
| article html file updated | 20 March 2014 09:54 CET | Original file | N/A |
| article xml file uploaded | 20 March 2014 09:53 CET | Original file | https://www.mdpi.com/1422-0067/15/2/2255/xml |
| article pdf uploaded. | 4 February 2014 08:55 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/2255/pdf |
