function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves, Paulo Ricardo & Santos, Cinthya Simone Gomes', 2],
    ['Bharathidasan, Veeraiyan & Sarathy, Palanivel Partha', 2],
    ['Conde-Vela, Víctor Manuel', 4],
    ['Glasby, Christopher J.', 2],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 13],
    ['Magesh, Mathan & Kvist, Sebastian & Glasby, Christopher J.', 1],
    ['Razmi Shah, Raz Shauqeena Batrisyea & Ibrahim, Yusof Shuaib', 2],
    ['Ribeiro, Rannyele Passos & Alves, Paulo Ricardo', 3],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);