function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Büneker, Henrique Mallmann & Pastori, Tamara', 3],
    ['Flores-Argueelles, Alejandra', 3],
    ['Harzhauser, Mathias & Landau, Bernard', 3],
    ['Hernández-Cárdenas, Rodrigo Alejandro & Espejo-Serna, Adolfo', 4],
    ['Jarvis, Charlie', 22],
    ['Kessous, Igor M. & Costa, Andrea F.', 25],
    ['Leme, Elton M. C. & Couto, Dayvid R. & Kollmann, Ludovic J. C.', 4],
    ['Leme, Elton M. C. & Kollmann, Ludovic J. C.', 29],
    ['Leme, Elton M. C. & Ribeiro, Otávio B. C.', 10],
    ['Leme, Elton M. C. & Till, Walter & Kollmann, Ludovic J. C.', 14],
    ['Leme, Elton M. C. & Zizka, Georg & Souza, Everton Hilo De', 10],
    ['Linnaeus, Carolus', 9],
    ['Louzada, Rafael Batista & Wanderley, Maria Das Graças Lapa', 16],
    ['Manzanares, José M. & Gouda, Eric J.', 4],
    ['Souza, Everton Hilo De & Leme, Elton M. C.', 4],
    ['Other (51)', 65]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=225)',
    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);