| article html file updated | 11 February 2020 04:30 CET | Update | https://www.mdpi.com/2075-4701/9/1/7 |
| article html file updated | 12 October 2019 07:06 CEST | Update | N/A |
| article html file updated | 27 April 2019 16:24 CEST | Update | N/A |
| article html file updated | 13 April 2019 12:16 CEST | Update | N/A |
| article html file updated | 2 April 2019 16:45 CEST | Update | N/A |
| article html file updated | 1 March 2019 20:13 CET | Update | N/A |
| article html file updated | 30 January 2019 02:59 CET | Update | N/A |
| article html file updated | 21 December 2018 06:57 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2018 06:56 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/7/pdf |
| article xml uploaded. | 21 December 2018 06:56 CET | Update | https://www.mdpi.com/2075-4701/9/1/7/xml |
| article xml file uploaded | 21 December 2018 06:56 CET | Original file | N/A |
