| article html file updated | 8 February 2020 00:18 CET | Update | https://www.mdpi.com/2312-7481/3/1/13 |
| article html file updated | 23 September 2019 13:09 CEST | Update | - |
| article html file updated | 4 May 2019 09:20 CEST | Update | - |
| article html file updated | 29 March 2017 08:52 CEST | Update | - |
| article html file updated | 10 March 2017 10:11 CET | Update | - |
| article xml uploaded. | 10 March 2017 10:09 CET | Update | https://www.mdpi.com/2312-7481/3/1/13/xml |
| article pdf uploaded. | 10 March 2017 10:09 CET | Updated version of record | https://www.mdpi.com/2312-7481/3/1/13/pdf |
| article html file updated | 25 February 2017 13:14 CET | Original file | - |
| article xml uploaded. | 25 February 2017 13:12 CET | Original file | - |
| article pdf uploaded. | 25 February 2017 13:12 CET | Version of Record | https://www.mdpi.com/2312-7481/3/1/13/pdf-vor |
