| article html file updated | 8 February 2020 00:47 CET | Update | https://www.mdpi.com/2075-4418/7/1/13 |
| article html file updated | 23 September 2019 15:52 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:13 CEST | Update | N/A |
| article html file updated | 29 March 2017 10:38 CEST | Update | N/A |
| article html file updated | 4 March 2017 10:59 CET | Original file | N/A |
| article xml uploaded. | 4 March 2017 10:58 CET | Original file | https://www.mdpi.com/2075-4418/7/1/13/xml |
| article pdf uploaded. | 4 March 2017 10:58 CET | Version of Record | https://www.mdpi.com/2075-4418/7/1/13/pdf |
