| article html file updated | 7 February 2020 05:03 CET | Update | https://www.mdpi.com/1420-3049/21/3/266 |
| article html file updated | 21 September 2019 12:01 CEST | Update | - |
| article html file updated | 5 May 2019 23:13 CEST | Update | - |
| article html file updated | 26 March 2019 21:46 CET | Update | - |
| article html file updated | 17 September 2018 02:58 CEST | Update | - |
| article html file updated | 31 March 2016 02:47 CEST | Original file | - |
| article pdf uploaded. | 25 February 2016 12:42 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/266/pdf |
| article xml uploaded. | 25 February 2016 12:42 CET | Original file | https://www.mdpi.com/1420-3049/21/3/266/xml |
