| article html file updated | 9 February 2020 04:48 CET | Update | https://www.mdpi.com/2076-0787/7/1/13 |
| article html file updated | 1 May 2019 22:37 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:17 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:20 CET | Update | N/A |
| article html file updated | 31 January 2018 09:23 CET | Update | N/A |
| article xml uploaded. | 31 January 2018 09:22 CET | Update | https://www.mdpi.com/2076-0787/7/1/13/xml |
| article pdf uploaded. | 31 January 2018 09:22 CET | Updated version of record | https://www.mdpi.com/2076-0787/7/1/13/pdf |
| article html file updated | 30 January 2018 11:00 CET | Original file | N/A |
| article xml uploaded. | 30 January 2018 10:59 CET | Original file | N/A |
| article pdf uploaded. | 30 January 2018 10:59 CET | Updated version of record | https://www.mdpi.com/2076-0787/7/1/13/pdf-vor |
| article pdf uploaded. | 29 January 2018 18:03 CET | Version of Record | https://www.mdpi.com/2076-0787/7/1/13/pdf-vor |
