| article html file updated | 7 February 2020 03:22 CET | Update | https://www.mdpi.com/1420-3049/21/1/88 |
| article html file updated | 21 September 2019 09:36 CEST | Update | - |
| article html file updated | 6 May 2019 02:42 CEST | Update | - |
| article html file updated | 26 March 2019 18:20 CET | Update | - |
| article html file updated | 12 November 2018 04:22 CET | Original file | - |
| article pdf uploaded. | 13 January 2016 11:23 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/88/pdf |
| article xml uploaded. | 13 January 2016 11:23 CET | Original file | https://www.mdpi.com/1420-3049/21/1/88/xml |
