function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bandyopadhyay, Pritha & Karmakar, Krishna & Halliday, Bruce', 6],
    ['Joharchi, Omid & Döker, Ismail & Khaustov, Vladimir A.', 4],
    ['Joharchi, Omid & Friedrich, Stefan', 3],
    ['Joharchi, Omid & Issakova, Aigerim K. & Asyamova, Olga S.', 3],
    ['Joharchi, Omid & Negm, Mohamed W.', 4],
    ['Joharchi, Omid & Ueckermann, Edward A. & Döker, Ismail', 3],
    ['Kazemi, Shahrooz & Rajaei, Asma & Beaulieu, Frédéric', 4],
    ['Khalesi, Talat & Kazemi, Shahrooz', 5],
    ['Khalili-Moghadam, A. & Saboori, A.', 3],
    ['Mahjoori, M. & Hajizadeh, J. & M. R & I, Northern', 5],
    ['Marticorena, Jorge L. M. & Moreira, Grazielle Furtado', 4],
    ['Nemati, Alireza & Gwiazdowicz, Dariusz J.', 5],
    ['Nemati, Alireza & Mohseni, Mastaneh', 4],
    ['Trach, V. A.', 6],
    ['Vatankhah, Farzaneh & Nemati, Alireza & Esfandiari, Mehdi', 4],
    ['Other (17)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=93)',
    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);