function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albornoz-Garzón, Juan G. & Conde-Saldaña, Cristhian C.', 1],
    ['Angrizani, Rafael C. & Malabarba, Luiz R.', 2],
    ['Angrizani, Rafael Costa & Malabarba, Luiz Roberto', 1],
    ['Angulo, Arturo', 3],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 3],
    ['Angulo, Arturo & Naranjo-Elizondo, Beatriz & Rojas, Emmanuel', 3],
    ['Barbour, Thomas & Cole, L. J.', 2],
    ['Boulenger, George Albert', 2],
    ['Eigenmann, C. H.', 2],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 3],
    ['Fowler, Henry Weed', 3],
    ['Garavello, Julio Cesar & Shibatta, Oscar Akio', 2],
    ['Meek, S. E.', 2],
    ['Regan, C. T.', 2],
    ['Steindachner, F.', 2],
    ['Other (25)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);