| article html file updated | 7 February 2020 03:05 CET | Update | https://www.mdpi.com/1420-3049/21/1/58 |
| article html file updated | 21 September 2019 09:11 CEST | Update | - |
| article html file updated | 6 May 2019 03:14 CEST | Update | - |
| article html file updated | 26 March 2019 17:49 CET | Update | - |
| article html file updated | 12 November 2018 04:15 CET | Original file | - |
| article pdf uploaded. | 5 January 2016 15:32 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/58/pdf |
| article xml uploaded. | 5 January 2016 15:32 CET | Original file | https://www.mdpi.com/1420-3049/21/1/58/xml |
