| article html file updated | 7 February 2020 23:07 CET | Update | https://www.mdpi.com/2075-4663/5/1/13 |
| article html file updated | 23 September 2019 06:27 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:47 CEST | Update | N/A |
| article html file updated | 30 March 2017 09:03 CEST | Update | N/A |
| article html file updated | 13 February 2017 11:00 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 10:58 CET | Original file | https://www.mdpi.com/2075-4663/5/1/13/xml |
| article pdf uploaded. | 13 February 2017 10:58 CET | Updated version of record | https://www.mdpi.com/2075-4663/5/1/13/pdf |
| article pdf uploaded. | 10 February 2017 15:35 CET | Version of Record | https://www.mdpi.com/2075-4663/5/1/13/pdf-vor |
