| article html file updated | 7 February 2020 07:03 CET | Update | https://www.mdpi.com/1420-3049/21/4/470 |
| article html file updated | 21 September 2019 14:51 CEST | Update | N/A |
| article html file updated | 5 May 2019 19:04 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:29 CET | Update | N/A |
| article html file updated | 17 September 2018 03:57 CEST | Update | N/A |
| article html file updated | 28 April 2016 11:48 CEST | Update | N/A |
| article html file updated | 9 April 2016 10:03 CEST | Original file | N/A |
| article xml uploaded. | 9 April 2016 10:01 CEST | Update | https://www.mdpi.com/1420-3049/21/4/470/xml |
| article pdf uploaded. | 9 April 2016 10:01 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/470/pdf |