| article html file updated | 7 February 2020 02:43 CET | Update | https://www.mdpi.com/1420-3049/21/1/37 |
| article html file updated | 21 September 2019 08:39 CEST | Update | N/A |
| article html file updated | 6 May 2019 03:57 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:16 CET | Update | N/A |
| article html file updated | 12 November 2018 04:07 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2015 08:45 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/37/pdf |
| article xml uploaded. | 25 December 2015 08:45 CET | Original file | https://www.mdpi.com/1420-3049/21/1/37/xml |
