function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Honey-Escandón, Magali & Solís-Marín, Francisco A.', 4],
    ['Jaeger, Wilhelm Friedrich', 8],
    ['Linnaeus, Carolus', 5],
    ['Madeira, Patrícia & Kroh, Andreas & Cordeiro, Ricardo', 22],
    ['Massin, Claude', 4],
    ['Mezali, Karim & Thandar, Ahmed S. & Khodja, Ihcene', 5],
    ['Pawson, David L. & Pawson, Doris J. & King, Rachael A.', 8],
    ['Prata, Jéssica & Manso, Cynthia L. C.', 10],
    ['Samyn, Yves & Vandenspiegel, Didier', 17],
    ['Selenka, E.', 8],
    ['THANDAR, AHMED S.', 24],
    ['Thandar, Ahmed S.', 8],
    ['Thandar, Ahmed S. & Rambaran, Ryan', 5],
    ['Théel, Hjalmar', 19],
    ['Woo, Sau Pinn & Ogawa, Akito & Tan, Shau Hwai & Yasin, Zulfigar', 4],
    ['Other (19)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=180)',
    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);