function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amorim, Bruno S. & Alves, Marccus', 4],
    ['Amorim, Gabriela Dos Santos', 2],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Echeverría, María L. & Alonso, Sara I. & Comparatore, Viviana M.', 1],
    ['Jarvis, Charlie', 5],
    ['Landrum, Leslie R. & Ramos, Zenia Acosta', 2],
    ['Linnaeus, Carolus', 1],
    ['McQuate, Grant T. & Liquido, Nicanor J.', 1],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 2],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 2],
    ['Sobral, M. & Souza, M. C. & Mazine-Capelo, F. & Lucas, E.', 1],
    ['Verloove, Filip', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);