| article html file updated | 9 February 2020 06:54 CET | Update | https://www.mdpi.com/2073-4425/9/2/104 |
| article html file updated | 30 September 2019 20:57 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:51 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:11 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:54 CET | Update | N/A |
| article html file updated | 14 March 2018 17:10 CET | Update | N/A |
| article html file updated | 22 February 2018 11:35 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 11:34 CET | Original file | https://www.mdpi.com/2073-4425/9/2/104/xml |
| article pdf uploaded. | 22 February 2018 11:34 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/2/104/pdf |
| article pdf uploaded. | 16 February 2018 14:30 CET | Version of Record | https://www.mdpi.com/2073-4425/9/2/104/pdf-vor |
