| article html file updated | 7 February 2020 03:30 CET | Update | https://www.mdpi.com/1420-3049/21/1/103 |
| article html file updated | 21 September 2019 09:48 CEST | Update | - |
| article html file updated | 6 May 2019 02:26 CEST | Update | - |
| article html file updated | 26 March 2019 18:36 CET | Update | - |
| article html file updated | 12 November 2018 04:26 CET | Original file | - |
| article pdf uploaded. | 16 January 2016 08:40 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/103/pdf |
| article xml uploaded. | 16 January 2016 08:40 CET | Original file | https://www.mdpi.com/1420-3049/21/1/103/xml |
