| article html file updated | 9 February 2020 05:36 CET | Update | https://www.mdpi.com/1422-0067/19/2/472 |
| article html file updated | 30 September 2019 13:12 CEST | Update | - |
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| article html file updated | 14 March 2018 18:43 CET | Update | - |
| article html file updated | 7 February 2018 07:33 CET | Update | - |
| article xml uploaded. | 7 February 2018 07:32 CET | Update | https://www.mdpi.com/1422-0067/19/2/472/xml |
| article xml uploaded. | 7 February 2018 07:32 CET | Update | - |
| article xml uploaded. | 7 February 2018 07:32 CET | Update | - |
| article pdf uploaded. | 7 February 2018 07:32 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/472/pdf |
| article html file updated | 6 February 2018 06:56 CET | Original file | - |
| article xml uploaded. | 6 February 2018 06:54 CET | Update | - |
| article xml uploaded. | 6 February 2018 06:54 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 06:54 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/472/pdf-vor |