1 “... in contact with a substrate, whether it be a grassy lawn, a rippling stream, or a tropical forest canopy...”

2 “... for unpublished studies, and contacted study authors for missing data. WMC is comparable to other modalities...”

3 “... for unpublished studies, and contacted study authors for missing data. WMC is comparable to other modalities...”

4 “... Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office...”

5 Table of Contents: “...; K.Unsicker et al -- Trophic control of central cholinergic neuron development in vitro; F.Hefti & B...”

6 Table of Contents: “... Junctions -- 6. Conclusion -- References -- 2 Cell Contact Phenomena and Their Implication in Cell...”

7 “... Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office...”

8 “... Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office...”

9 Table of Contents: “... field positions -- b.) Types and arrangements of synaptic contacts -- 4. Conclusions -- 8 Neurones...”

10 “... (the site of the neurons’ contact) by release of neurotransmitters from the pre-synaptic cell and capture...”

11 “... the ever-expanding knowledge of how neuronal contacts develop in the normal brain and how their functions...”

12 Table of Contents: “... in the Developing Spinal Cord -- Slow Synaptic Transmission in the Dorsal Horn -- BDNF and TrkB Mediated Mechanisms...”