| article html file updated | 14 September 2021 12:27 CEST | Update | https://www.mdpi.com/2076-0752/7/1/6 |
| article html file updated | 9 February 2020 05:32 CET | Update | N/A |
| article html file updated | 1 May 2019 20:56 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:53 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:57 CET | Update | N/A |
| article html file updated | 26 March 2018 15:53 CEST | Update | N/A |
| article html file updated | 8 February 2018 23:01 CET | Update | N/A |
| article xml uploaded. | 7 February 2018 03:12 CET | Update | https://www.mdpi.com/2076-0752/7/1/6/xml |
| article pdf uploaded. | 7 February 2018 03:12 CET | Updated version of record | https://www.mdpi.com/2076-0752/7/1/6/pdf |
| article html file updated | 5 February 2018 11:09 CET | Original file | N/A |
| article xml uploaded. | 5 February 2018 11:08 CET | Update | N/A |
| article xml uploaded. | 5 February 2018 11:08 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2018 11:08 CET | Version of Record | https://www.mdpi.com/2076-0752/7/1/6/pdf-vor |
