| article html file updated | 7 February 2020 22:42 CET | Update | https://www.mdpi.com/2073-4344/7/2/48 |
| article html file updated | 23 September 2019 04:07 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:38 CEST | Update | N/A |
| article html file updated | 1 March 2017 07:49 CET | Update | N/A |
| article html file updated | 5 February 2017 07:46 CET | Original file | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | https://www.mdpi.com/2073-4344/7/2/48/xml |
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| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:45 CET | Update | N/A |
| article xml uploaded. | 5 February 2017 07:44 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2017 07:44 CET | Version of Record | https://www.mdpi.com/2073-4344/7/2/48/pdf |
