| article html file updated | 7 February 2020 05:52 CET | Update | https://www.mdpi.com/1420-3049/21/3/336 |
| article html file updated | 21 September 2019 13:05 CEST | Update | N/A |
| article html file updated | 5 May 2019 21:32 CEST | Update | N/A |
| article html file updated | 26 March 2019 23:24 CET | Update | N/A |
| article html file updated | 17 September 2018 03:23 CEST | Update | N/A |
| article html file updated | 31 March 2016 02:55 CEST | Original file | N/A |
| article xml uploaded. | 14 March 2016 11:42 CET | Original file | https://www.mdpi.com/1420-3049/21/3/336/xml |
| article pdf uploaded. | 14 March 2016 11:42 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/336/pdf |
