function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arias, Andrés & Carrera-Parra, Luis F.', 2],
    ['Borisova, Polina & Budaeva, Nataliya', 3],
    ['Carrera-Parra, Luis F.', 30],
    ['Carrera-Parra, Luis F. & Orensanz, José M.', 5],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 44],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 4],
    ['Imajima, Minoru & Higuchi, Michiko', 6],
    ['Martin, Daniel & Estefa, Jordi & Gil, Joao', 4],
    ['Martins, Roberto & Carrera-Parra, Luis F. & Quintino, Victor', 4],
    ['McIntosh, William C.', 5],
    ['Mikac, Barbara', 8],
    ['Miura, Tomoyuki', 6],
    ['Neal, Lenka & Abrahams, Emily & Wiklund, Helena & Rabone, Muriel', 9],
    ['Razmi Shah, Raz Shauqeena Batrisyea & Ibrahim, Yusof Shuaib', 2],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 5],
    ['Other (7)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=146)',
    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);