| article html file updated | 6 February 2020 16:57 CET | Update | https://www.mdpi.com/1422-0067/16/4/6801 |
| article html file updated | 6 May 2019 23:09 CEST | Update | N/A |
| article html file updated | 25 March 2019 23:32 CET | Update | N/A |
| article html file updated | 21 August 2015 09:17 CEST | Update | N/A |
| article html file updated | 7 May 2015 12:03 CEST | Original file | N/A |
| article xml file uploaded | 7 May 2015 12:03 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/6801/xml |
| article pdf uploaded. | 1 April 2015 10:20 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/4/6801/pdf |
| article pdf uploaded. | 1 April 2015 09:44 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/4/6801/pdf-vor |
| article pdf uploaded. | 25 March 2015 10:52 CET | Version of Record | https://www.mdpi.com/1422-0067/16/4/6801/pdf-vor |
