function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Kaitlin E. & Tapondjou, Walter P. & Welton, Luke J.', 1],
    ['Ceríaco, L. M. P. & De Sá, S. & Bandeira, S. & Valério, H.', 7],
    ['Ceríaco, Luis M. P.', 1],
    ['Ceríaco, Luis M. P. & Marques, Mariana P. & Bauer, Aaron M.', 5],
    ['Conradie, Werner & Bittencourt-Silva, Gabriela B.', 5],
    ['Kirchhof, Sebastian & Wasonga, Victor & Mazuch, Tomáš', 1],
    ['Koppetsch, Thore', 2],
    ['Marques, Mariana P. & Ceríaco, Luis M. P. & Bandeira, Suzana', 1],
    ['Miralles, Aurélien & Chaparro, Juan Carlos & Harvey, Michael B.', 1],
    ['Razzetti, Edoardo & Sindaco, Roberto & Grieco, Cristina', 1],
    ['Santos, Bruna S. & Marques, Mariana P. & Bauer, Aaron M.', 6],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean-François', 6],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 5],
    ['Šmíd, Jiří & Moravec, Jiří & Kodym, Petr & Kratochvíl, Lukáš', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    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);