function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akli-Bidi, Safia', 1],
    ['Boxshall, Geoffrey A. & Strong, Ellen E.', 1],
    ['Ding, Ruirui & Chen, Feizhou & Alekseev, Victor R.', 2],
    ['Fuentes-Reinés, Juan Manuel & Suárez-Morales, Eduardo', 1],
    ['Gutierrez Aguirre, Martha Angelica Gutierrez Aguirre', 2],
    ['Gutierrez-Aguirre, Martha Angelica', 3],
    ['Hołyńska, Maria & Sługocki, Łukasz & Ghaouaci, Souad', 2],
    ['Mercado-Salas, Nancy F. & Silva-Briano, Marcelo', 6],
    ['Mercado-Salas, Nancy F. & Suárez-Morales, E.', 2],
    ['Mercado-Salas, Nancy F. & Suárez-Morales, Eduardo', 15],
    ['Sukhikh, Natalia & Alekseev, Victor', 1],
    ['Suárez-Morales, E.', 2],
    ['Suárez-Morales, Eduardo & Walsh, Elizabeth J.', 3],
    ['Tang, Danny & Knott, Brenton', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);