function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Cadena-Castañeda, Oscar J. & Díaz, Carlos Julio Arango', 2],
    ['Desutter-Grandcolas, Laure', 2],
    ['Fabricius, Johann Christian', 2],
    ['Gupta, Sunil Kumar & Chandra, Kailash', 2],
    ['Hollier, John & Bruckner, Harald & Heads, Sam W.', 18],
    ['Lichtenstein, Anton August Heinrich', 2],
    ['Linnaeus, Carolus', 69],
    ['Sakenin, H. & Samin, N. & Imani, S. & Rastegari, J.', 3],
    ['Skejo, Josip & Rebrina, Fran & Szövényi, Gergely', 2],
    ['Sultana, Riffat & Sanam, Surriya & Kumar, Santosh', 3],
    ['Weissman, David B. & Gray, David A.', 38],
    ['Weissman, David B. & Gray, David A. & Pham, Hanh Thi', 3],
    ['Yong, Sheyla & Perez-Gelabert, Daniel E.', 4],
    ['Zefa, Edison & Martins, Luciano De Pinho', 9],
    ['Other (15)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=178)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);