| article html file updated | 7 February 2020 05:50 CET | Update | https://www.mdpi.com/1420-3049/21/3/346 |
| article html file updated | 21 September 2019 13:03 CEST | Update | - |
| article html file updated | 5 May 2019 21:37 CEST | Update | - |
| article html file updated | 26 March 2019 23:20 CET | Update | - |
| article html file updated | 17 September 2018 03:25 CEST | Update | - |
| article html file updated | 31 March 2016 02:56 CEST | Original file | - |
| article xml uploaded. | 17 March 2016 02:58 CET | Update | https://www.mdpi.com/1420-3049/21/3/346/xml |
| article pdf uploaded. | 17 March 2016 02:58 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/3/346/pdf |
| article pdf uploaded. | 14 March 2016 12:02 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/346/pdf-vor |
