| article html file updated | 29 August 2025 21:25 CEST | Update | https://www.mdpi.com/1422-0067/16/1/49 |
| article html file updated | 20 August 2025 21:56 CEST | Update | - |
| article html file updated | 6 February 2020 14:40 CET | Update | - |
| article html file updated | 7 May 2019 03:32 CEST | Update | - |
| article html file updated | 25 March 2019 19:39 CET | Update | - |
| article html file updated | 21 August 2015 04:35 CEST | Update | - |
| article html file updated | 28 January 2015 02:00 CET | Original file | - |
| article xml file uploaded | 28 January 2015 02:00 CET | Original file | https://www.mdpi.com/1422-0067/16/1/49/xml |
| article pdf uploaded. | 23 December 2014 12:04 CET | Version of Record | https://www.mdpi.com/1422-0067/16/1/49/pdf |