function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Grygier, Mark J. & Suárez-Morales, Eduardo', 1],
    ['Sekiguchi, Hideo', 1],
    ['Suárez-Morales, Eduardo', 5],
    ['Suárez-Morales, Eduardo & Carrillo, Allan', 2],
    ['Suárez-Morales, Eduardo & Dias, C.', 1],
    ['Suárez-Morales, Eduardo & Escamilla, B.', 1],
    ['Suárez-Morales, Eduardo & Gasca, R.', 1],
    ['Suárez-Morales, Eduardo & Goruppi, A. & de Olazabal, A', 5],
    ['Suárez-Morales, Eduardo & Goruppi, Alenka', 5],
    ['Suárez-Morales, Eduardo & Mckinnon, David', 30],
    ['Suárez-Morales, Eduardo & Mercado-Salas, Nancy F.', 2],
    ['Suárez-Morales, Eduardo & Morales-Ramírez, Alvaro', 5],
    ['Suárez-Morales, Eduardo & Palomares-García, R.', 1],
    ['Suárez-Morales, Eduardo & Pilz, D.', 1],
    ['Suárez-Morales, Eduardo & Üstün, Funda', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=63)',
    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);