Introduction to multilevel social networks

Grants

Funding Acknowledgements

We are grateful to the Editors of Social Networks for their guidance and support through the process leading to the publication of this special issue. Names appear in alphabetical order. The Authors contributed equally to this introductory essay. We gratefully acknowledge financial support from the Leverhulme Trust, which funded the "Multilevel Network Modelling Group" from 2009 to 2013 as part of its International Networks scheme.