| article html file updated | 7 February 2020 02:34 CET | Update | https://www.mdpi.com/1420-3049/21/1/5 |
| article html file updated | 21 September 2019 08:25 CEST | Update | - |
| article html file updated | 6 May 2019 04:15 CEST | Update | - |
| article html file updated | 26 March 2019 17:02 CET | Update | - |
| article html file updated | 12 November 2018 03:56 CET | Original file | - |
| article pdf uploaded. | 22 December 2015 15:56 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/1/5/pdf |
| article pdf uploaded. | 22 December 2015 13:14 CET | Version of Record | - |
| article xml uploaded. | 22 December 2015 13:14 CET | Original file | https://www.mdpi.com/1420-3049/21/1/5/xml |
