| article html file updated | 9 February 2020 04:32 CET | Update | https://www.mdpi.com/2076-0760/7/2/19 |
| article html file updated | 30 September 2019 06:39 CEST | Update | N/A |
| article html file updated | 1 May 2019 23:09 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:47 CEST | Update | N/A |
| article html file updated | 28 March 2019 18:46 CET | Update | N/A |
| article html file updated | 29 January 2018 07:06 CET | Original file | N/A |
| article xml uploaded. | 29 January 2018 07:05 CET | Original file | https://www.mdpi.com/2076-0760/7/2/19/xml |
| article pdf uploaded. | 29 January 2018 07:05 CET | Updated version of record | https://www.mdpi.com/2076-0760/7/2/19/pdf |
| article pdf uploaded. | 26 January 2018 18:50 CET | Version of Record | https://www.mdpi.com/2076-0760/7/2/19/pdf-vor |
