| article html file updated | 7 February 2020 05:36 CET | Update | https://www.mdpi.com/1420-3049/21/3/316 |
| article html file updated | 21 September 2019 12:44 CEST | Update | N/A |
| article html file updated | 5 May 2019 22:05 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:54 CET | Update | N/A |
| article html file updated | 17 September 2018 03:15 CEST | Update | N/A |
| article html file updated | 31 March 2016 02:53 CEST | Original file | N/A |
| article pdf uploaded. | 11 March 2016 04:13 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/3/316/pdf |
| article xml uploaded. | 11 March 2016 04:13 CET | Update | https://www.mdpi.com/1420-3049/21/3/316/xml |
| article pdf uploaded. | 8 March 2016 12:05 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/316/pdf-vor |
