| article html file updated | 7 February 2020 04:40 CET | Update | https://www.mdpi.com/1420-3049/21/2/216 |
| article html file updated | 21 September 2019 11:27 CEST | Update | N/A |
| article html file updated | 6 May 2019 00:06 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:56 CET | Update | N/A |
| article html file updated | 17 September 2018 03:14 CEST | Original file | N/A |
| article pdf uploaded. | 17 February 2016 10:44 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/216/pdf |
| article xml uploaded. | 17 February 2016 10:44 CET | Original file | https://www.mdpi.com/1420-3049/21/2/216/xml |
