function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 3],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 2],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Chaudhuri, B. L.', 1],
    ['Ebersole, Jun A. & Cicimurri, David J. & Stringer, Gary L.', 2],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 3],
    ['Faria, Vicente V. & Mcdavitt, Matthew T. & Charvet, Patricia', 5],
    ['Garman, S.', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Jones, Christian M. & Driggers Iii, William B.', 2],
    ['Last, Peter R. & Séret, Bernard & Naylor, Gavin J. P.', 1],
    ['Latham, J. F.', 1],
    ['White, William T. & Ko’Ou, Alfred', 4],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    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);