| article html file updated | 8 February 2020 22:55 CET | Update | https://www.mdpi.com/2077-0472/7/12/97 |
| article html file updated | 28 September 2019 22:33 CEST | Update | N/A |
| article html file updated | 2 May 2019 11:06 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:44 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:01 CET | Update | N/A |
| article html file updated | 2 December 2017 10:07 CET | Original file | N/A |
| article xml uploaded. | 2 December 2017 10:06 CET | Original file | https://www.mdpi.com/2077-0472/7/12/97/xml |
| article pdf uploaded. | 2 December 2017 10:06 CET | Version of Record | https://www.mdpi.com/2077-0472/7/12/97/pdf |
