| article html file updated | 10 February 2020 06:52 CET | Update | https://www.mdpi.com/2077-0375/8/3/68 |
| article html file updated | 6 October 2019 21:40 CEST | Update | N/A |
| article html file updated | 29 April 2019 14:34 CEST | Update | N/A |
| article html file updated | 15 April 2019 10:00 CEST | Update | N/A |
| article html file updated | 31 March 2019 10:15 CEST | Update | N/A |
| article html file updated | 21 August 2018 12:41 CEST | Original file | N/A |
| article pdf uploaded. | 21 August 2018 12:39 CEST | Version of Record | https://www.mdpi.com/2077-0375/8/3/68/pdf |
| article xml uploaded. | 21 August 2018 12:39 CEST | Update | https://www.mdpi.com/2077-0375/8/3/68/xml |
| article xml file uploaded | 21 August 2018 12:39 CEST | Original file | N/A |
