function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aldrete, Alfonso Neri García & Casasola-González, José Arturo', 3],
    ['Arango, Stephania Sandoval & Obando, Ranulfo González', 9],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['García Aldrete, Alfonso N.', 19],
    ['García Aldrete, Alfonso N. & Manchola, Oscar Fernando Saenz', 2],
    ['García Aldrete, Alfonso N. & Obando, Ranulfo González', 4],
    ['García, Alfonso N.', 11],
    ['García, Alfonso N. & Aldrete', 3],
    ['García, Alfonso N. & Obando, Ranulfo González', 4],
    ['Lienhard, Charles & Mifsud, David', 3],
    ['Manchola, Oscar Fernando Saenz & Aldrete, Alfonso Neri García', 4],
    ['Manchola, Oscar Fernando Saenz & Obando, Ranulfo González', 2],
    ['Mockford, Edward L. & García, Alfonso N.', 2],
    ['Neto, Alberto Moreira da Silva & Aldrete, Alfonso Neri García', 3],
    ['Ostrovsky, A. M.', 3],
    ['Other (9)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    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);