| article html file updated | 7 February 2020 06:10 CET | Update | https://www.mdpi.com/1420-3049/21/3/390 |
| article html file updated | 21 September 2019 13:32 CEST | Update | - |
| article html file updated | 5 May 2019 20:53 CEST | Update | - |
| article html file updated | 26 March 2019 23:56 CET | Update | - |
| article html file updated | 17 September 2018 03:36 CEST | Update | - |
| article html file updated | 31 March 2016 03:01 CEST | Original file | - |
| article xml uploaded. | 21 March 2016 10:58 CET | Original file | https://www.mdpi.com/1420-3049/21/3/390/xml |
| article pdf uploaded. | 21 March 2016 10:58 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/390/pdf |
