| article html file updated | 7 February 2020 05:44 CET | Update | https://www.mdpi.com/1420-3049/21/3/335 |
| article html file updated | 21 September 2019 12:56 CEST | Update | - |
| article html file updated | 5 May 2019 21:48 CEST | Update | - |
| article html file updated | 26 March 2019 23:10 CET | Update | - |
| article html file updated | 17 September 2018 03:23 CEST | Update | - |
| article html file updated | 31 March 2016 02:55 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 13:06 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/335/pdf |
| article xml uploaded. | 10 March 2016 13:06 CET | Original file | https://www.mdpi.com/1420-3049/21/3/335/xml |
