| article html file updated | 9 February 2020 09:36 CET | Update | https://www.mdpi.com/2077-1312/6/1/26 |
| article html file updated | 1 October 2019 13:39 CEST | Update | N/A |
| article html file updated | 1 May 2019 12:15 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:59 CEST | Update | N/A |
| article html file updated | 29 March 2019 06:02 CET | Update | N/A |
| article html file updated | 27 March 2018 15:47 CEST | Update | N/A |
| article html file updated | 13 March 2018 06:54 CET | Original file | N/A |
| article xml uploaded. | 13 March 2018 06:53 CET | Update | https://www.mdpi.com/2077-1312/6/1/26/xml |
| article pdf uploaded. | 13 March 2018 06:53 CET | Version of Record | https://www.mdpi.com/2077-1312/6/1/26/pdf |
