| article html file updated | 7 February 2020 03:16 CET | Update | https://www.mdpi.com/1420-3049/21/1/77 |
| article html file updated | 21 September 2019 09:25 CEST | Update | - |
| article html file updated | 6 May 2019 02:52 CEST | Update | - |
| article html file updated | 26 March 2019 18:08 CET | Update | - |
| article html file updated | 12 November 2018 04:20 CET | Original file | - |
| article pdf uploaded. | 11 January 2016 12:28 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/77/pdf |
| article xml uploaded. | 11 January 2016 12:28 CET | Original file | https://www.mdpi.com/1420-3049/21/1/77/xml |
