| article html file updated | 7 February 2020 07:01 CET | Update | https://www.mdpi.com/1420-3049/21/4/464 |
| article html file updated | 21 September 2019 14:47 CEST | Update | N/A |
| article html file updated | 5 May 2019 19:11 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:23 CET | Update | N/A |
| article html file updated | 17 September 2018 03:56 CEST | Update | N/A |
| article html file updated | 28 April 2016 11:46 CEST | Update | N/A |
| article html file updated | 8 April 2016 11:33 CEST | Original file | N/A |
| article xml uploaded. | 8 April 2016 11:32 CEST | Original file | https://www.mdpi.com/1420-3049/21/4/464/xml |
| article pdf uploaded. | 8 April 2016 11:32 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/464/pdf |
