| article html file updated | 9 February 2020 04:39 CET | Update | https://www.mdpi.com/1420-3049/23/2/261 |
| article html file updated | 30 September 2019 07:24 CEST | Update | - |
| article html file updated | 1 May 2019 22:54 CEST | Update | - |
| article html file updated | 17 April 2019 21:33 CEST | Update | - |
| article html file updated | 28 March 2019 19:01 CET | Update | - |
| article html file updated | 14 March 2018 13:59 CET | Update | - |
| article html file updated | 31 January 2018 11:09 CET | Original file | - |
| article xml uploaded. | 31 January 2018 11:08 CET | Original file | https://www.mdpi.com/1420-3049/23/2/261/xml |
| article pdf uploaded. | 31 January 2018 11:08 CET | Updated version of record | https://www.mdpi.com/1420-3049/23/2/261/pdf |
| article pdf uploaded. | 28 January 2018 12:39 CET | Version of Record | https://www.mdpi.com/1420-3049/23/2/261/pdf-vor |
