| article html file updated | 10 February 2020 20:43 CET | Update | https://www.mdpi.com/2079-9721/6/4/101 |
| article html file updated | 10 October 2019 07:10 CEST | Update | N/A |
| article html file updated | 28 April 2019 09:43 CEST | Update | N/A |
| article html file updated | 14 April 2019 05:14 CEST | Update | N/A |
| article html file updated | 1 April 2019 19:26 CEST | Update | N/A |
| article html file updated | 26 December 2018 21:55 CET | Update | N/A |
| article html file updated | 11 November 2018 03:57 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2018 03:55 CET | Version of Record | https://www.mdpi.com/2079-9721/6/4/101/pdf |
| article xml uploaded. | 11 November 2018 03:55 CET | Update | https://www.mdpi.com/2079-9721/6/4/101/xml |
| article xml file uploaded | 11 November 2018 03:55 CET | Original file | N/A |
