| article html file updated | 9 February 2020 04:53 CET | Update | https://www.mdpi.com/2073-4344/8/2/53 |
| article html file updated | 30 September 2019 08:43 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:24 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:07 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:32 CET | Update | N/A |
| article html file updated | 14 March 2018 08:41 CET | Update | N/A |
| article html file updated | 30 January 2018 15:45 CET | Original file | N/A |
| article xml uploaded. | 30 January 2018 15:44 CET | Update | https://www.mdpi.com/2073-4344/8/2/53/xml |
| article xml uploaded. | 30 January 2018 15:44 CET | Original file | N/A |
| article pdf uploaded. | 30 January 2018 15:44 CET | Version of Record | https://www.mdpi.com/2073-4344/8/2/53/pdf |
